Spring Framework Denial of Service via Unbounded Cache in SpEL

5.3 / 10

MEDIUM

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

Description

Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.

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.

Basic Information

ID CVE-2026-41851

Source vmware

Published Jun 9, 2026 at 03:51

Affected Product

Vendor Spring

Product Spring Framework

Version 7.0.0

Affected Versions Spring Spring Framework 7.0.0
Spring Spring Framework 6.2.0
Spring Spring Framework 6.1.0
Spring Spring Framework 5.3.0

CWE Classification

CWE-770

References

spring.io /security/cve-2026-41851

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    "published": "2026-06-09T03:51:32.074Z",
    "modified": "2026-06-09T03:51:32.074Z",
    "type": "cve",
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Spring Framework Denial of Service via Unbounded Cache in SpEL_CVE-2026-41851