GitHub Advisoryadvisory · Maven
GHSA-775g-4xr8-78h8 Spring Framework Denial of Service via Integer Overflow in SpEL Expressions
HIGH
Official page ↗
- Aliases
- CVE-2026-41849
- Ecosystem
- Maven
- Packages
- org.springframework:spring-expression
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190
- Reviewed
- 2026-07-30
Affected packages
• Maven org.springframework:spring-expression: <= 5.3.39 (no fix yet)
Description
An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). An attacker can exploit this by supplying a specially crafted SpEL expression that triggers excessive resource consumption, resulting in a Denial of Service (DoS).
Affected versions:
Spring Framework 5.3.0 through 5.3.48.
Related
Alias · CVE (1)
- CVE-2026-41849 An integer overflow vulnerability exists in the evaluation logic of the Spring Expression Language (SpEL). vulnerability
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness