What is CVE-2026-33478?

CVE-2026-33478 is a critical-severity vulnerability in Wwbn Avideo, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-03-23.

How severe is CVE-2026-33478?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Wwbn Avideo

CVE-2026-33478

WWBN AVideo is an open source video platform. In versions up to and including 26.0, multiple vulnerabilities in AVideo's CloneSite plugin chain together to allow a completely unauthenticated attacker to achieve remote code execution. The `…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.071 (91.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Wwbn Avideo — versions <= 26.0

Weakness classification (CWE)

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-687q-32c6-8x68 (x_refsource_CONFIRM)
https://github.com/WWBN/AVideo/commit/c85d076375fab095a14170df7ddb27058134d38c (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33478?: CVE-2026-33478 is a critical-severity vulnerability in Wwbn Avideo, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-03-23.
How severe is CVE-2026-33478?: Critical severity. CVSS v3 base score is 10.0 out of 10.