Medium severity · published Sep 11, 2026
CVE-2026-89252
AVideo Missing Authorization in addLiveLink.php LiveLink Update
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
AVideo · WWBN
through c3edcc274c389816d434acadac07ee78eaf330c1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89252
github.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v
www.vulncheck.com
https://www.vulncheck.com/advisories/avideo-missing-authorization-in-addlivelink-php-livelink-update
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