What is CVE-2026-29058?

CVE-2026-29058 is a critical-severity vulnerability in Wwbn Avideo-encoder, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-06.

How severe is CVE-2026-29058?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-29058 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Wwbn Avideo-encoder

CVE-2026-29058

AVideo is a video-sharing Platform software. Prior to version 7.0, an unauthenticated attacker can execute arbitrary OS commands on the server by injecting shell command substitution into the base64Url GET parameter. This can lead to full…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.518 (98.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wwbn Avideo-encoder — versions < 7.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

rapid7/metasploit-framework

References

https://github.com/WWBN/AVideo-Encoder/security/advisories/GHSA-9j26-99jh-v26q (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-29058?: CVE-2026-29058 is a critical-severity vulnerability in Wwbn Avideo-encoder, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-06.
How severe is CVE-2026-29058?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-29058 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.