CVE-2026-59283 (Critical) detected in spring-expression-6.2.8.jar

[mend-bolt-for-github]

CVE-2026-59283 - Critical Severity Vulnerability

Vulnerable Library - spring-expression-6.2.8.jar

Spring Expression Language (SpEL)

Library home page: https://github.com/spring-projects/spring-framework

Sample Path to Dependency File: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/springframework/spring-expression/6.2.8/spring-expression-6.2.8.jar

Dependency Hierarchy:

• spring-boot-starter-3.5.3.jar (Root Library)
  • spring-boot-3.5.3.jar
    • spring-context-6.2.8.jar
      • ❌ spring-expression-6.2.8.jar (Vulnerable Library)

Found in HEAD commit: 270465e4bf74e87253e9245ca2e1fc7ed83b0cbb

Found in base branch: master

Vulnerability Details

Applications that evaluate Spring Expression Language (SpEL) expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active.
Spring Framework 7.0.0 - 7.0.8
Spring Framework 6.2.0 - 6.2.19
Spring Framework 6.1.0 - 6.1.28
Spring Framework 6.0.0 - 6.0.30
Spring Framework 5.3.0 - 5.3.49
Spring Framework 5.2.25.RELEASE and earlier

Publish Date: 2026-08-27

URL: CVE-2026-59283

CVSS 3 Score Details (9.1)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2026-08-27

Fix Resolution: https://github.com/spring-projects/spring-framework.git - v7.0.9,org.springframework:spring-expression:7.0.9

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