CVE-2026-56346: AVideo - Unauthenticated PGP Message Decryption via decryptMessage.json.php Endpoint

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-20 · updated 2026-07-08
Weakness: CWE-306

Description

AVideo through version 25.0 contains an authentication bypass vulnerability in the decryptMessage.json.php endpoint that allows unauthenticated users to decrypt PGP messages. Remote attackers can submit private keys, ciphertext, and passphrases to perform server-side decryption without credentials, exposing key material to logs and enabling resource exhaustion attacks.

Affected products

WWBN AVideo: through 25.0

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-5x2w-37xf-7962
https://www.vulncheck.com/advisories/avideo-unauthenticated-pgp-message-decryption-via-decryptmessage-json-php-endpoint
https://github.com/WWBN/AVideo/security/advisories/GHSA-5x2w-37xf-7962

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