{"id":"CVE-2026-52466","title":"Open Library Foundation VuFind v11.0.3 and v4.1 is vulnerable to toInorrect Access Control","summary":"Open Library Foundation VuFind v11.0.3 and v4.1 is vulnerable to toInorrect Access Control. The application fails to stop processing an incoming request in VuFind\\Controller\\AbstractBase::validateAccessPermission after it has found that …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-863"],"published":"2026-08-06","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:04:24.933","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-52466","references":[{"url":"https://vufind.org/wiki/security:cve-2026-52466","label":"cve@mitre.org"}],"tags":["nvd"],"epss":0.00483,"epssPercentile":0.38945,"ingestedAt":"2026-09-09T16:14:05.512Z","slug":"CVE-2026-52466","body":"## Overview\n\nOpen Library Foundation VuFind v11.0.3 and v4.1 is vulnerable to toInorrect Access Control. The application fails to stop processing an incoming request in VuFind\\Controller\\AbstractBase::validateAccessPermission after it has found that controller level access permissions do not allow access to the requested function. The requester receives a response indicating that access was denied, but the actual function is executed regardless of that.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}