GHSA-r5w3-xv2f-j59qHighCVSS 7.5

Spring Framework Algorithmic Denial of Service via SpEL Expressions

Published
June 9, 2026
Last Modified
July 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-41850 →

📋 Description

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or unavailability.

Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

🎯 Affected products4

  • maven/org.springframework:spring-expression:>= 7.0.0, <= 7.0.7
  • maven/org.springframework:spring-expression:>= 6.2.0, <= 6.2.18
  • maven/org.springframework:spring-expression:>= 6.1.0, <= 6.1.21
  • maven/org.springframework:spring-expression:<= 5.3.39

🔗 References (5)