virtualenv activate runs commands from the environment name in zsh with PROMPT_SUBST
High-risk advisory
CVE-2026-113726
Summary
virtualenv activate runs commands from the environment name in zsh with PROMPT_SUBST
Why it matters
GitHub has published a reviewed security advisory for virtualenv. Prioritize it with other application dependency updates, especially because EPSS places it in the 14% percentile.
Operator check
Check whether virtualenv is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.2%; percentile: 14%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.