VULNERABILITY INTELLIGENCE

CVE-2026-40969

CVSS score3.7 LOW
EPSS probability0.20%
CISA KEVNot currently listed
Published2026-04-28
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The raw message of every server-side AuthenticationException is returned to the unauthenticated remote caller in the gRPC status description. This allows an attacker to obtain information about the authentication failure, which may be useful for further attacks. Affected versions: Spring gRPC: 1.0.0 - 1.0.2 (fixed in 1.0.3). Older, unsupported versions are also affected.

Weakness classification

  • security@vmware.com: CWE-209

Primary references