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CVE-2026-63305

8.1 · HIGH

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.

Published Jul 16, 2026CWE-78EPSS 2.46%

Overview

CVE-2026-63305 is a high-severity vulnerability. It was published on July 16, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/WWBN/AVideo/security/advisories/GHSA-g9x9-q7qj-6mv5Refwww.vulncheck.com/advisories/avideo-through-os-command-injection-via-ffmpeg-json-phpGitHubgithub.com/WWBN/AVideo/security/advisories/GHSA-g9x9-q7qj-6mv5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-63305?

CVE-2026-63305 is a high-severity vulnerability. It was published on July 16, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-63305?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-63305?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-63305?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-63305 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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