{"id":"CVE-2026-92581","title":"In AVideo through 29.0, Like::__construct() performs counter arithmetic on raw request values before validation, allowing array-typed parameters to desynchronize stored votes from counters","summary":"In AVideo through 29.0, Like::__construct() performs counter arithmetic on raw request values before validation, allowing array-typed parameters to desynchronize stored votes from counters. Authenticated attackers can send array-typed li…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-20"],"vendor":"WWBN","product":"AVideo","affected":["AVideo <= 29.0"],"published":"2026-09-16","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:43:58.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92581","references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-hcfp-7hrc-5rvg","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/avideo-through-29.0-like-counter-desynchronization-via-array-parameter","label":"disclosure@vulncheck.com"},{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-hcfp-7hrc-5rvg","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00288,"epssPercentile":0.18967,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T14:49:34.666592Z"},"ingestedAt":"2026-09-16T22:06:50.934Z","slug":"CVE-2026-92581","body":"## Overview\n\nIn AVideo through 29.0, Like::__construct() performs counter arithmetic on raw request values before validation, allowing array-typed parameters to desynchronize stored votes from counters. Authenticated attackers can send array-typed like parameters followed by ordinary requests to drive video like counts arbitrarily negative, with the corruption persisting in the denormalized counter until manual repair.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":206161,"id":"CVE-2026-92581","ts":1789658480759,"field":"exploit_available","old":"false","new":"true"}]}