conflibot vulnerable to command injection via crafted pull request branch names under pull_request_target

Date Aug 17, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product GitHub Actions ยท wktk/conflibot
CVE CVE-2026-55158
High-risk advisory CVE-2026-55158

Summary

conflibot vulnerable to command injection via crafted pull request branch names under pull_request_target

Why it matters

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

Operator check

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

Sources

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