CVE-2026-41849

Spring Framework Denial of Service via Integer Overflow in SpEL Expressions

State
Published
Severity
7.5 High
Published
Jun 9, 2026
Updated
Jun 9, 2026
Reserved
Apr 22, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hvmware

Weaknesses

  • CWE-190 Integer Overflow or Wraparound

Affected Products

ProductVersions
Spring FrameworkSpring
  • 5.3.0 to before 5.3.49Affected

References

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