CVE-2026-126541

EUVD-2026-123066
WWBN AVideo through 29.7.1 contains a missing authorization vulnerability in Live plugin restream endpoints that allows authenticated streamers to obtain other users' stream keys by supplying arbitrary live_transmitions_history_id values. Attackers can redeem the issued action tokens at verifyTokenForAction.json.php to retrieve victims' HLS URLs and stream keys, then publish as the victim or restream private or pay-per-view lives.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 30.55%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
wwbnavideo
𝑥
≤ 29.7.1
CNA
Common Weakness Enumeration
References
https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/Live/view/Live_restreams/verifyTokenForAction.json.php#L30-L56
https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/Live/view/getRestream.json.php#L27-L48
https://github.com/WWBN/AVideo/commit/be9d70199279aafe5062744d319fd4df4e5f7a48
https://github.com/WWBN/AVideo/security/advisories/GHSA-233c-vfmw-6rw9
https://www.vulncheck.com/advisories/wwbn-avideo-through-29.7.1-missing-authorization-via-live-restream-endpoints