CVE-2026-41849

HIGH

Spring Framework Denial of Service via Integer Overflow in SpEL Expressions

Title source: cna

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.

References (1)

Core 1

Core References

https://spring.io/security/cve-2026-41849

Scores

CVSS v3 7.5

EPSS 0.0026

EPSS Percentile 17.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-190

Status published

Products (2)

Spring/Spring Framework 5.3.0 - 5.3.49

vmware/spring_framework 5.3.0 - 5.3.49

Published Jun 09, 2026

Tracked Since Jun 09, 2026