CVE-2026-89252CWE-639

CVE-2026-89252

Medium · published September 11, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
22.8
In the wild
Unconfirmed
What it is

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 LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00311 · 22.8th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-11T16:16Z
References (3)
https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v · [email protected]https://www.vulncheck.com/advisories/avideo-missing-authorization-in-addlivelink-php-livelink-update · [email protected]https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 11:15Z
    AVideo Missing Authorization in addLiveLink.php LiveLink Update
    cvelistv5