Origin validation error in AVideo - CVE-2026-41057
Published: November 11, 2026
Vulnerability identifier: #VU165911
CSH Severity: Medium
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41057
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to read sensitive authenticated API responses and perform actions on behalf of logged-in users.
The vulnerability exists due to improper origin validation in AVideo's plugin/API/router.php and allowOrigin(true) when handling cross-origin API requests, including preflight requests, reflecting arbitrary origins while permitting credentials. A remote attacker can lure a logged-in victim to a malicious website that sends credentialed cross-origin requests to disclose personal information and password recovery tokens or modify content through write endpoints.
Affected software
AVideo
How to mitigate CVE-2026-41057
Install security update from vendor's website.
AVideo - update to 29.1.0