CVE-2026-29058: WWBN AVideo-Encoder · OS Command Injection
Affects WWBN AVideo-EncoderSource CVE Database V5
Public exploit available (Metasploit) · CVSS 9.8 Critical : upgrade to 7.0 as a priority.
Data as of 30 Oct 2026, 11:52 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Mar 2026
Detectable: evidence found.
nuclei template: WWBN AVideo Encoder < 7.0 - Unauthenticated OS Command Injection
Weaponized: evidence found.
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| WWBNAVideo-Encoder | Affected
| Fixed in
|
GitHubwwbn/AVideo-Encoderpkg:github/wwbn/AVideo-EncoderOther threats | Affected
| Fixed in
|
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.