Missing Authentication for Critical Function in AVideo - CVE-2026-56346
Published: May 4, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU129507
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56346
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information and cause a denial of service.
The vulnerability exists due to missing authentication for a critical function in decryptMessage.json.php when handling PGP decryption requests. A remote attacker can send specially crafted decryption requests to disclose sensitive information and cause a denial of service.
Submitted private key material may be exposed in server memory or logging infrastructure depending on deployment configuration.
Affected software
AVideo
How to mitigate CVE-2026-56346
Install security update from vendor's website.
AVideo - update to 26.0