AVideo has an incomplete fix of CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator)...

Date Jun 23, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Composer · wwbn/avideo

CVE CVE-2026-55173

High-risk advisory CVE-2026-55173

Summary

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

Why it matters

GitHub has published a reviewed security advisory for wwbn/avideo. Prioritize it with other application dependency updates.

Operator check

Check whether wwbn/avideo is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

GitHub Advisory GHSA-wc3f-xc32-435f NVD — CVE-2026-55173 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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