{"id":"CVE-2026-92003","summary":"MISP Unthrottled Authentication Failure Log Writes Enable Resource Exhaustion","details":"Affected versions of MISP do not consistently apply the existing authentication-failure logging throttle.\n\n\nTwo API authentication failure branches wrote directly to the Log model:\n\n - API requests with no authentication key;\n - requests supplying an API key with an incorrect length\n\n\n\n\nUnlike other authentication failures, these paths bypassed _shouldLog(), so every request could create another durable auth_fail entry.\n\nVersion affected: ≤2.5.45","modified":"2026-09-18T03:31:03.917048100Z","published":"2026-09-15T11:43:19.403Z","database_specific":{"cwe_ids":["CWE-400","CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92003.json","cna_assigner":"CIRCL"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92003.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92003"},{"type":"FIX","url":"https://github.com/MISP/MISP/commit/2bf887433"},{"type":"PACKAGE","url":"https://github.com/MISP/MISP"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/misp/misp","events":[{"introduced":"0"},{"fixed":"2bf887433"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.5.46"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92003.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}