virtualenv: Bash activator leaves the --prompt value unescaped in PS1 when promptvars is off, so prompt expansion lat...
High-risk advisory
CVE-2026-115586
Summary
virtualenv: Bash activator leaves the --prompt value unescaped in PS1 when promptvars is off, so prompt expansion later executes it (regression in 21.14.9)
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 10% 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. CVSS score: 7.1. EPSS probability: 0.2%; percentile: 10%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.