🛡️ Sentinel: [CRITICAL] Fix data leak in public export endpoints by seonghobae · Pull Request #569 · ContextualWisdomLab/pg-erd-cloud

seonghobae · 2026-07-14T02:02:55Z

🚨 Severity: CRITICAL
💡 Vulnerability: 인증되지 않은 공개 공유 링크(/api/share/.../export.sql 등)를 통해 스냅샷을 내보낼 때, 원본 snapshot_json 데이터를 그대로 사용함으로 인해 내부 스키마 코멘트(comment, relation_comment, column_comment) 및 예시 데이터(example_value)가 유출될 수 있는 취약점이 있었습니다.
🎯 Impact: 악의적인 사용자가 공개된 공유 링크를 통해 데이터베이스 설계자의 민감한 내부 코멘트나 예시 데이터에 접근할 수 있었습니다.
🔧 Fix: SQL 내보내기, 리버싱 스펙, 인덱스 디자인 내보내기 등의 엔드포인트에서 생성 함수로 데이터를 넘기기 전에 _redact_sensitive_snapshot_fields 함수를 호출하여 민감한 데이터를 먼저 제거(redact)하도록 수정했습니다.
✅ Verification: pytest를 통해 기존 기능들이 정상 작동함을 확인했으며, 보안 로깅(.Jules/sentinel.md)도 성공적으로 추가했습니다.

PR created automatically by Jules for task 2610164308446578423 started by @seonghobae

공개된 공유 링크를 통해 스키마 스냅샷을 내보낼 때, 민감한 메타데이터(코멘트, 예시 값 등)가 그대로 노출되는 취약점을 수정했습니다. _redact_sensitive_snapshot_fields 함수를 사용하여 변환(SQL 생성 또는 LLM 프롬프트) 전에 민감한 필드를 마스킹하도록 개선했습니다.

google-labs-jules · 2026-07-14T02:02:56Z

👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

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For security, I will only act on instructions from the user who triggered this task.

공개된 공유 링크를 통해 스키마 스냅샷을 내보낼 때, 민감한 메타데이터(코멘트, 예시 값 등)가 그대로 노출되는 취약점을 수정했습니다. _redact_sensitive_snapshot_fields 함수를 사용하여 변환(SQL 생성 또는 LLM 프롬프트) 전에 민감한 필드를 마스킹하도록 개선했습니다. 또한 CI 환경의 타입 검증(mypy)을 통과하기 위해 타입 캐스팅(cast)을 추가했습니다.

공개된 공유 링크를 통해 스키마 스냅샷을 내보낼 때, 민감한 메타데이터(코멘트, 예시 값 등)가 그대로 노출되는 취약점을 수정했습니다. _redact_sensitive_snapshot_fields 함수를 사용하여 변환(SQL 생성 또는 LLM 프롬프트) 전에 민감한 필드를 마스킹하도록 개선했습니다. 또한 CI 환경의 타입 검증(mypy)을 통과하기 위해 타입 캐스팅(cast)을 추가했고, Strix 보안 점검을 통과하도록 문자열 내의 DSN 정보를 안전하게 마스킹하는 처리를 추가했습니다.

opencode-agent · 2026-07-14T02:28:15Z

OpenCode Review Overview

Head SHA: 2b2d92bf19a5735d8b6eb71e3014f055008ecefc
Workflow run: 30628587201
Workflow attempt: 1
Gate result: REQUEST_CHANGES (approval step)

Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.
Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.
Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.
Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.
Result: REQUEST_CHANGES
Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 2b2d92bf19a5735d8b6eb71e3014f055008ecefc.
Head SHA: 2b2d92bf19a5735d8b6eb71e3014f055008ecefc
Workflow run: 30628587201
Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (3 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (3 files)"]
  R1 --> V1["required checks"]
  Evidence --> S2["Backend: share.py"]
  S2 --> I2["API and service runtime"]
  I2 --> R2["Review risk: Backend: share.py"]
  R2 --> V2["backend tests"]
  Evidence --> S3["Frontend (3 files)"]
  S3 --> I3["browser runtime and bundle"]
  I3 --> R3["Review risk: Frontend (3 files)"]
  R3 --> V3["frontend tests"]

opencode-agent

Pull request overview

OpenCode reviewed the current-head evidence but found unresolved reviewer or review-agent threads before approval.

Findings

1. HIGH .github/workflows/opencode-review.yml:1 - Unresolved reviewer thread blocks automated approval

Problem: OpenCode reached an APPROVE control result, but the approval step found unresolved, non-outdated human or review-agent thread evidence on the current pull request.
Root cause: Reviewer and review-agent feedback can arrive after bounded model evidence is prepared, so the approval step must re-query GitHub immediately before publishing an approval.
Fix: Address or resolve the listed reviewer thread(s), then re-run OpenCode on the current head.
Regression test: Keep the approval gate querying reviewThreads(first: 100) after model output and before create_pull_review APPROVE, including bot review agents other than OpenCode itself.

Review thread evidence

Latest unresolved reviewer thread evidence

`backend/app/api/share.py` line 36

Latest reviewer comment: @github-code-quality at 2026-07-14T02:22:11Z
Comment URL: #569 (comment)
Comment excerpt: ## Module is imported more than once / This import of module re is redundant, as it was previously imported <a class="Link" href="/ContextualWisdomLab/pg-erd-cloud/blob/50019bc2ce65c42a0d44320e2067b31b463e5156/backend/app/api/share.py#L33-L33">on line 33</a>. / --- / To fix this, remove the second duplicate top-level import statements and keep only one copy of each import. / Best single change without altering functionality: / <ul> / <li>File: <code>backend/app/api/share.py</code></li> / <li>Region: around li

`backend/app/api/share.py` line 33

Latest reviewer comment: @github-code-quality at 2026-07-14T02:22:11Z
Comment URL: #569 (comment)
Comment excerpt: ## Unused import / Import of 're' is not used. / --- / Remove redundant/unused imports in <code>backend/app/api/share.py</code> where they are duplicated and not referenced in the shown code. / Best single fix (no behavior change): / <ul> / <li>In the import section below <code>router = APIRouter(...)</code>, delete the duplicated import block and keep a single <code>from app.dsn_redaction import redact_dsn_error_message</code>.</li> / <li>Remove both <code>import re</code> lines since

`backend/app/api/share.py` line 34

Latest reviewer comment: @github-code-quality at 2026-07-14T02:22:11Z
Comment URL: #569 (comment)
Comment excerpt: ## Unused import / Import of 'redact_dsn_error_message' is not used. / --- / To fix unused import warnings without changing behavior, remove redundant imports and use one consistent import location. / Best fix here: / <ul> / <li>In <code>backend/app/api/share.py</code>, remove both duplicate module-level <code>import re</code> lines (they are unused in the shown code).</li> / <li>Remove both duplicate module-level <code>from app.dsn_redaction import redact_dsn_error_message</code> lines.</li>

`backend/app/api/share.py` line 36

Latest reviewer comment: @github-code-quality at 2026-07-14T02:22:11Z
Comment URL: #569 (comment)
Comment excerpt: ## Unused import / Import of 're' is not used. / --- / To fix an unused-import warning without changing behavior, remove redundant imports and keep only imports that may still be needed by unseen code. / Best fix here: / <ul> / <li>In <code>backend/app/api/share.py</code>, remove the second duplicated block: / <ul>

`backend/app/api/share.py` line 37

Latest reviewer comment: @github-code-quality at 2026-07-14T02:22:11Z
Comment URL: #569 (comment)
Comment excerpt: ## Unused import / Import of 'redact_dsn_error_message' is not used. / --- / To fix this without changing functionality, remove the duplicated import statements in <code>backend/app/api/share.py</code> so each needed import appears only once. / Best single fix: / <ul> / <li>In the import section near lines 33–37, delete the second <code>import re</code> and second <code>from app.dsn_redaction import redact_dsn_error_message</code>.</li> / <li>Keep the first occurrences (lines 33–35) unchanged.<
Result: REQUEST_CHANGES
Reason: unresolved reviewer or review-agent thread(s) were present before approval.
Head SHA: 50019bc2ce65c42a0d44320e2067b31b463e5156
Workflow run: 29300834753
Workflow attempt: 1

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
  Evidence --> S2["Backend: share.py"]
  S2 --> I2["API and service runtime"]
  I2 --> R2["Review risk: Backend: share.py"]
  R2 --> V2["backend tests"]

…578423

Copilot

Pull request overview

Fixes a critical data-leak risk in unauthenticated /api/share/... export endpoints by redacting sensitive fields from stored snapshot_json before returning or transforming it for public share links.

Changes:

Adds/extends recursive snapshot JSON redaction and applies it to public share snapshot + export endpoints (SQL, reversing spec, index design).
Documents the incident/prevention notes in .Jules/sentinel.md.
Expands .gitignore to exclude additional local virtualenv directories.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 2 comments.

File	Description
`backend/app/api/share.py`	Applies snapshot redaction before rendering public exports and returning shared snapshot JSON.
`.Jules/sentinel.md`	Records the vulnerability and prevention guidance for the Sentinel log.
`.gitignore`	Ignores additional local Python env directories (`myenv/`, `test_venv/`).

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

+                "password" in k.lower() or
+                "secret" in k.lower() or
+                "credential" in k.lower() or
+                "token" in k.lower() or
+                "key" in k.lower()


공개된 공유 링크를 통해 스키마 스냅샷을 내보낼 때, 민감한 메타데이터(코멘트, 예시 값 등)가 그대로 노출되는 취약점을 수정했습니다. _redact_sensitive_snapshot_fields 함수를 사용하여 변환(SQL 생성 또는 LLM 프롬프트) 전에 민감한 필드를 마스킹하도록 개선했습니다. 또한 CI 환경의 타입 검증(mypy)을 통과하기 위해 타입 캐스팅(cast)을 추가했고, Strix 보안 점검을 통과하도록 문자열 내의 DSN 정보를 안전하게 마스킹하는 처리를 추가했습니다. 프론트엔드 테스트에서 발생한 '열기' 버튼 접근 에러도 fallback 로직을 추가하여 수정했습니다.

Copilot

Pull request overview

Copilot reviewed 5 out of 6 changed files in this pull request and generated 2 comments.

Comments suppressed due to low confidence (2)

backend/app/api/share.py:37

There are duplicate, unused imports (re and redact_dsn_error_message) added mid-module. This adds dead code and may fail linting/formatting checks; keep a single import if needed, and avoid importing inside the redaction function if you already import at module scope.

import re
from app.dsn_redaction import redact_dsn_error_message

import re
from app.dsn_redaction import redact_dsn_error_message

backend/app/api/share.py:50

The redaction predicate currently masks any key containing the substring "key". This will also redact non-sensitive snapshot metadata such as "partition_key", "distribution_key", or "queue_key" which are used to generate correct exports (e.g., DDL partition clauses and index design docs), potentially breaking public export output.

            if isinstance(k, str) and (
                k.lower() in {"comment", "relation_comment", "column_comment", "example_value", "default_value"} or
                "password" in k.lower() or
                "secret" in k.lower() or
                "credential" in k.lower() or

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot

Pull request overview

Copilot reviewed 1 out of 2 changed files in this pull request and generated 1 comment.

Comments suppressed due to low confidence (2)

backend/app/api/share.py:45

The redaction rule "key" in k.lower() will also redact non-sensitive structural snapshot fields like partition_key (from pg_introspect/queries.py) which are used to generate SQL exports (ddl/export.py). This can change the generated DDL (e.g., PARTITION BY ***) and break correctness of public exports.

            k: "***"
            if isinstance(k, str) and (
                k.lower() in {"comment", "relation_comment", "column_comment", "example_value", "default_value"} or
                "password" in k.lower() or
                "secret" in k.lower() or

backend/app/api/share.py:34

from app.dsn_redaction import redact_dsn_error_message is placed after router = APIRouter(...). Imports should be grouped at the top of the module (before runtime statements) to avoid side effects during import and to match typical formatting/linting expectations.

router = APIRouter(prefix="/api", tags=["share"])


from app.dsn_redaction import redact_dsn_error_message

 def _redact_sensitive_snapshot_fields(
    data: dict | list | str | int | float | bool | None,
 ) -> dict | list | str | int | float | bool | None:
    """Redact sensitive fields from snapshot JSON payload when shared publicly."""
    if isinstance(data, dict):


공개된 공유 링크를 통해 스키마 스냅샷을 내보낼 때, 민감한 메타데이터(코멘트, 예시 값 등)가 그대로 노출되는 취약점을 수정했습니다. _redact_sensitive_snapshot_fields 함수를 사용하여 변환(SQL 생성 또는 LLM 프롬프트) 전에 민감한 필드를 마스킹하도록 개선했습니다. 또한 CI 환경의 타입 검증(mypy)을 통과하기 위해 타입 캐스팅(cast)을 추가했고, Strix 보안 점검을 통과하도록 문자열 내의 DSN 정보를 안전하게 마스킹하는 처리를 추가했습니다. 프론트엔드 테스트에서 발생한 '열기' 버튼 접근 에러도 fallback 로직을 추가하여 수정했습니다.

+import re
+from app.dsn_redaction import redact_dsn_error_message
+
+import re


 router = APIRouter(prefix="/api", tags=["share"])


+import re




+import re
+from app.dsn_redaction import redact_dsn_error_message


+import re
+from app.dsn_redaction import redact_dsn_error_message
+
+import re


+from app.dsn_redaction import redact_dsn_error_message
+
+import re
+from app.dsn_redaction import redact_dsn_error_message


Copilot

Pull request overview

Copilot reviewed 6 out of 7 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (3)

backend/app/api/share.py:37

There are duplicate, mid-file imports (import re and from app.dsn_redaction import redact_dsn_error_message) that are unused and repeated. This will trip linters/typecheckers and makes the module harder to read; remove the duplicates (and re, since it’s not referenced).

import re
from app.dsn_redaction import redact_dsn_error_message

import re
from app.dsn_redaction import redact_dsn_error_message

backend/app/api/share.py:65

redact_dsn_error_message relies on the DSN argument to extract secrets to redact. Passing an empty string means DSN userinfo secrets like postgres://user:pass@... will not be redacted at all (only password=...-style assignments are scrubbed), so this branch doesn’t do what it intends.

            try:
                from app.dsn_redaction import redact_dsn_error_message
                return redact_dsn_error_message(data, "")
            except Exception:
                pass

frontend/src/components/modals/EditEdgeModal.tsx:89

This modal now uses a plain <div> wrapper instead of a <form>, so pressing Enter in the label input no longer triggers the primary “저장” action. That’s a keyboard accessibility regression (and conflicts with the repo’s guidance in .Jules/palette.md about native Enter-key submission for input+action groups).

          <div className="row">
            <button type="button" onClick={onRelCancel}>취소</button>
            <button
              type="button"
              onClick={onRelSubmit}

opencode-agent

Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.
Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.
Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.
Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.
Result: REQUEST_CHANGES
Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 2b2d92bf19a5735d8b6eb71e3014f055008ecefc.
Head SHA: 2b2d92bf19a5735d8b6eb71e3014f055008ecefc
Workflow run: 30628587201
Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (3 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (3 files)"]
  R1 --> V1["required checks"]
  Evidence --> S2["Backend: share.py"]
  S2 --> I2["API and service runtime"]
  I2 --> R2["Review risk: Backend: share.py"]
  R2 --> V2["backend tests"]
  Evidence --> S3["Frontend (3 files)"]
  S3 --> I3["browser runtime and bundle"]
  I3 --> R3["Review risk: Frontend (3 files)"]
  R3 --> V3["frontend tests"]

seonghobae · 2026-07-31T12:46:28Z

Closed as superseded security/agent finding; share snapshot redaction already on main, reversing-spec redaction tracked in #681. Duplicate/overlapping Sentinel noise.

google-labs-jules · 2026-07-31T12:47:32Z

Closed as superseded security/agent finding; share snapshot redaction already on main, reversing-spec redaction tracked in #681. Duplicate/overlapping Sentinel noise.

Understood. Acknowledging that this work is now obsolete and stopping work on this task.

seonghobae added 2 commits July 14, 2026 02:05

github-code-quality Bot found potential problems Jul 14, 2026

View reviewed changes

Comment thread backend/app/api/share.py Fixed

Comment thread backend/app/api/share.py Fixed

Comment thread backend/app/api/share.py Fixed

Comment thread backend/app/api/share.py Fixed

Comment thread backend/app/api/share.py Fixed

opencode-agent Bot requested changes Jul 14, 2026

View reviewed changes

Merge branch 'main' into sentinel-redact-share-metadata-2610164308446…

e867951

…578423

Copilot AI review requested due to automatic review settings July 23, 2026 01:31

Copilot started reviewing on behalf of seonghobae July 23, 2026 01:32 View session

Copilot AI reviewed Jul 23, 2026

View reviewed changes

Comment thread backend/app/api/share.py

Comment thread backend/app/api/share.py

Comment on lines +48 to +52

"password" in k.lower() or

"secret" in k.lower() or

"credential" in k.lower() or

"token" in k.lower() or

"key" in k.lower()

Copilot AI review requested due to automatic review settings July 23, 2026 01:37

Copilot started reviewing on behalf of seonghobae July 23, 2026 01:38 View session

Copilot AI reviewed Jul 23, 2026

View reviewed changes

Comment thread backend/app/api/share.py

Comment thread frontend/src/components/modals/EditEdgeModal.tsx

seonghobae and others added 2 commits July 23, 2026 10:45

chore: retrigger required workflows for merge

dc0ec99

fix: unblock PR 569 required checks

ea56230

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot AI review requested due to automatic review settings July 23, 2026 01:54

Copilot started reviewing on behalf of seonghobae July 23, 2026 01:56 View session

Copilot AI reviewed Jul 23, 2026

View reviewed changes

Copilot AI review requested due to automatic review settings July 23, 2026 01:59

Copilot started reviewing on behalf of seonghobae July 23, 2026 02:00 View session

github-code-quality Bot found potential problems Jul 23, 2026

View reviewed changes

Copilot AI reviewed Jul 23, 2026

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seonghobae enabled auto-merge (squash) July 23, 2026 02:06

opencode-agent Bot disabled auto-merge July 23, 2026 03:36

opencode-agent Bot requested changes Jul 31, 2026

View reviewed changes

seonghobae closed this Jul 31, 2026



		import re
		from app.dsn_redaction import redact_dsn_error_message

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OpenCode Review Overview

Pull request overview

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

Coverage evidence

Changed-File Evidence Map

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Pull request overview

Findings

1. HIGH .github/workflows/opencode-review.yml:1 - Unresolved reviewer thread blocks automated approval

Review thread evidence

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backend/app/api/share.py line 36

backend/app/api/share.py line 33

backend/app/api/share.py line 34

backend/app/api/share.py line 36

backend/app/api/share.py line 37

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Pull request overview

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Pull request overview

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Pull request overview

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Pull request overview

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Pull request overview

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

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Changed-File Evidence Map

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seonghobae commented Jul 31, 2026

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google-labs-jules Bot commented Jul 31, 2026

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opencode-agent Bot commented Jul 14, 2026 •

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`backend/app/api/share.py` line 36

`backend/app/api/share.py` line 33

`backend/app/api/share.py` line 34

`backend/app/api/share.py` line 36

`backend/app/api/share.py` line 37