CVE-2026-56346

6.9 mediumEPSS 0.6%

Medium (6.9). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.9 medium

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

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2026-06-20
Modified: 2026-07-08
Record from: the NVD, synced 2026-10-19

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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