CVE-2026-55173: AVideo has an incomplete fix of CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink

high Affects wwbn/avideo. Feed 2026.10.29.4, updated 2026-10-29; published 2026-06-23; advisory modified 2026-09-10.

AVideo has an incomplete fix of CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink

Package: wwbn/avideo Composer
Affected versions: <=29.0
Fixed in: no fix recorded
Severity: high CVSS 8.1
Exploitation: not on CISA KEV · EPSS 3% (85.8th percentile)
Published: 2026-06-23
Source: osv.dev

References

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Related advisories

CVE-2024-31819 critical WWBN AVideo Remote Code Execution same package: wwbn/avideo
CVE-2026-33478 critical AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, same package: wwbn/avideo
CVE-2026-29058 critical WWBN AVideo is vulnerable to unauthenticated OS Command Injection via base64Url in objects same package: wwbn/avideo
CVE-2023-32073 high WWBN AVideo command injection vulnerability same package: wwbn/avideo
CVE-2023-30854 high Remote code injection in wwbn/avideo same package: wwbn/avideo
CVE-2026-33482 high AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegComm same package: wwbn/avideo