Authorization bypass through user-controlled key in AVideo - CVE-2026-40907

 

Authorization bypass through user-controlled key in AVideo - CVE-2026-40907

Published: November 11, 2026


Vulnerability identifier: #VU165904
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40907
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to retrieve other users' live restream configurations, including third-party stream keys and OAuth tokens.

The vulnerability exists due to missing ownership validation in AVideo's plugin/Live/view/Live_restreams/list.json.php endpoint when processing an explicitly supplied users_id parameter. A remote user can use an account with streaming permission to submit requests specifying other users' IDs and enumerate their restream credentials.


Affected software

AVideo

How to mitigate CVE-2026-40907

Install security update from vendor's website.

AVideo - update to 29.1.0

External References

Related Security Bulletins