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VulnerabilityPublished Updated

CVE-2026-29058: WWBN AVideo-Encoder · OS Command Injection

Affects WWBN AVideo-EncoderSource CVE Database V5

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Public exploit available (Metasploit) · CVSS 9.8 Critical : upgrade to 7.0 as a priority.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
8.8% chance of exploitation in 30 days – higher than 95% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 7.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Mar 2026

  2. Weaponized: evidence found.

    1 Metasploit module

  3. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade AVideo-Encoder and wwbn/AVideo-Encoder to 7.0.

Affected software

ProductAffectedFixed in
WWBNAVideo-EncoderAffected
  • <7.0
Fixed in
  • 7.0
GitHubwwbn/AVideo-Encoderpkg:github/wwbn/AVideo-EncoderOther threatsAffected
  • <7.0
Fixed in
  • 7.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2026-29058, organizations should immediately upgrade AVideo-Encoder to version 7.0 or later, where the vulnerability has been patched. If immediate upgrading is not feasible, implement strict input validation and sanitization on the base64Url GET parameter to block shell metacharacters and command substitution patterns. Employ web application firewalls (WAFs) with custom rules to detect and block suspicious command injection attempts targeting this parameter. Restrict network access to the AVideo-Encoder server by isolating it within a segmented network zone and limiting inbound traffic to trusted sources. Monitor server logs for unusual command execution patterns or unexpected parameter values. Regularly audit and rotate credentials and keys stored on the server to minimize damage in case of compromise. Finally, conduct penetration testing and vulnerability scanning focused on command injection vectors to ensure no residual vulnerabilities remain.

Description

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 server compromise, data exfiltration (e.g., configuration secrets, internal keys, credentials), and service disruption. This issue has been patched in version 7.0.

References

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