{"id":"CVE-2026-89252","title":"AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links","summary":"AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-639"],"vendor":"WWBN","product":"AVideo","affected":["AVideo <= c3edcc274c389816d434acadac07ee78eaf330c1"],"published":"2026-09-11","updated":"2026-09-15","sourceUpdated":"2026-09-15T17:17:35.233","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89252","references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/avideo-missing-authorization-in-addlivelink-php-livelink-update","label":"disclosure@vulncheck.com"},{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00194,"epssPercentile":0.09417,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-15T16:12:05.497999Z"},"ingestedAt":"2026-09-14T00:20:42.596Z","slug":"CVE-2026-89252","body":"## Overview\n\nAVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":204295,"id":"CVE-2026-89252","ts":1789490449988,"field":"exploit_available","old":"false","new":"true"}]}