23 Oct 2026 15:48:27 UTC
MISP: Authentication failure logging suppressed during Redis unavailability
cve-program · CVE-2026-92002 · Published
CVE-2026-92002
MISP: Authentication failure logging suppressed during Redis unavailability
CVSS 4.0 5.1 MEDIUMCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-92002
PublishedAffected versions of MISP use Redis to throttle repeated authentication-failure log entries. The intent is to avoid excessive duplicate logs while still recording failed authentication activity. However, User->setupRedis() returns false when Redis cannot be reached. The vulnerable _shouldLog() logic only returned true when a Redis instance existed and no throttle key was present. Therefore, when Redis was unavailable, the function did not allow the log write at all, effectively silencing authentication-failure logging for the duration of the outage. Version affected: ≤2.5.45
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