{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86721", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-08T11:30:41.420Z", "datePublished": "2026-09-08T15:13:54.770Z", "dateUpdated": "2026-09-08T15:13:54.770Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-08T15:13:54.770Z"}, "datePublic": "2026-08-24T00:00:00.000Z", "title": "AVideo through c3edcc274c Authorization Bypass via Session Cookie", "descriptions": [{"lang": "en", "value": "AVideo through commit c3edcc274c contains an authorization bypass vulnerability where a session cookie named 'key' with value 'value' overrides the $_REQUEST['key'] parameter in saveLive.php and related endpoints. Attackers can publish to any user's RTMP stream without authentication by using the known constant stream key value to hijack live broadcasts."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Authentication", "cweId": "CWE-287", "type": "CWE"}]}], "affected": [{"vendor": "WWBN", "product": "AVideo", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "git", "lessThanOrEqual": "c3edcc274c389816d434acadac07ee78eaf330c1"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wwbn:avideo:-:*:*:*:*:*:*:*"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-5664-h9h4-3gwc", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-5664-h9h4-3gwc)"}, {"name": "VulnCheck Advisory: AVideo through c3edcc274c Authorization Bypass via Session Cookie", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/avideo-through-c3edcc274c-authorization-bypass-via-session-cookie"}], "credits": [{"lang": "en", "value": "santhreal", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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