CVE-2026-92003

MediumCVSS 6.9/10Last modified Sep 16, 2026

Description

Affected versions of MISP do not consistently apply the existing authentication-failure logging throttle.

Two API authentication failure branches wrote directly to the Log model:

 - API requests with no authentication key;  - requests supplying an API key with an incorrect length

Unlike other authentication failures, these paths bypassed _shouldLog(), so every request could create another durable auth_fail entry.

Version affected: ≤2.5.45

Metrics

CVSS 4.0 6.9/10CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-400CWE-770

Affected software

No affected versions have been published.

Timeline

Published
Sep 15, 2026
Last modified
Sep 16, 2026
NVD status
Deferred

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CVE-2026-92003: Medium severity, CVSS 6.9 | Vulnix