# CVE-2026-89252

## Summary

- **CVE ID:** CVE-2026-89252
- **Severity:** HIGH
- **CVSS Score:** 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)
- **CWE:** CWE-639
- **Published:** Sep 11, 2026
- **Last Modified:** Sep 11, 2026

## 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.

## Affected Products

- WWBN — AVideo (0)

## References

- [CNA](https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v)
- [CNA](https://www.vulncheck.com/advisories/avideo-missing-authorization-in-addlivelink-php-livelink-update)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-12._