CVE-2025-41254STOMP over WebSocket applications may be vulnerable to a security bypass that allows an attacker to send unauthorized messages.

STOMP over WebSocket applications may be vulnerable to a security bypass that allows an attacker to send unauthorized messages. Affected Spring Products and VersionsSpring Framework: * 6.2.0 - 6.2.11 * 6.1.0 - 6.1.23 * 6.0.x - 6.0.29 * 5.3.0 - 5.3.45 * Older, unsupported versions are also affected. MitigationUsers of affected versions should upgrade to the corresponding fixed version. Affected version(s)Fix versionAvailability6.2.x6.2.12OSS6.1.x6.1.24 Commercial https://enterprise.spring.io/ 6.0.xN/A Out of support https://spring.io/projects/spring-framework#support 5.3.x5.3.46 Commercial https://enterprise.spring.io/ No further mitigation steps are necessary. CreditThis vulnerability was discovered and responsibly reported by Jannis Kaiser.

CVSS

4.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness (CWE)

CWE-352

Known exploited

Not in CISA's KEV catalog

EPSS (exploitation in the next 30 days)

Not loaded for this CVE

Assigned by

Not given

NVD analysis

Deferred

Record last updated

Oct 9, 2026

First seen by InfoSec Signals

Oct 9, 2026

The CVE record on cve.org · NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.