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Vulnerability record · CVE-2026-63305 · published 16 July 2026

CVE-2026-63305: OS command injection vulnerability

AVideo through 29.0 contains an OS command injection vulnerability in the ffmpeg.json.php endpoint where notifyCode and callback parameters are concatenated into a shell command without escaping. Attackers who can craft a valid encrypted payload can inject arbitrary shell metacharacters into these fields to execute OS commands as the web-server user.

9.2 CVSS 4.0 Critical EPSS 2.5% · top 16.2% CWE-78 · OS command injection Deferred
9.2CVSS 4.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
20 Jul 2026Last modified by NVD

Description

AVideo through 29.0 contains an OS command injection vulnerability in the ffmpeg.json.php endpoint where notifyCode and callback parameters are concatenated into a shell command without escaping. Attackers who can craft a valid encrypted payload can inject arbitrary shell metacharacters into these fields to execute OS commands as the web-server user.

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/WWBN/AVideo/security/advisories/GHSA-g9x9-q7qj-6mv5
https://www.vulncheck.com/advisories/avideo-through-os-command-injection-via-ffmpeg-json-php
https://github.com/WWBN/AVideo/security/advisories/GHSA-g9x9-q7qj-6mv5

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Source: NIST National Vulnerability Database (record CVE-2026-63305), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.