CVE-2026-47893

Spring Framework Request Headers Included in Exception Reasons in HandshakeWebsocketService

State: Published
Severity: 7.5 High
Published: Aug 27, 2026
Updated: Aug 28, 2026
Reserved: May 20, 2026

Description

A Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-209 Generation of Error Message Containing Sensitive Information

Affected Products

Product	Versions
Spring FrameworkSpring	7.0.0 through 7.0.8Affected 6.2.0 through 6.2.19Affected 6.1.0 through 6.1.28Affected 6.0.0 through 6.0.30Affected 5.3.0 through 5.3.49Affected 5.2.25.RELEASE and earlierAffected

References

https://spring.io/security/cve-2026-47893

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