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CVE-2026-92002

MISP: Authentication failure logging suppressed during Redis unavailability

CVSS 4.0 5.1 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92002

Published

Affected 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

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92002

Published

MISP

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "modules": [
                        "app/Controller/AppController.php"
                    ],
                    "product": "MISP",
                    "programFiles": [
                        "app/Controller/AppController.php"
                    ],
                    "repo": "https://github.com/MISP/MISP",
                    "vendor": "MISP",
                    "versions": [
                        {
                            "lessThan": "2.5.46",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON