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CVE-2026-115586

7.1 high SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

virtualenv is a tool for creating isolated virtual python environments. From 21.14.9 until 21.14.13, the bash bin/activate script can copy an attacker-controlled --prompt value into PS1 without escaping dollar signs or backticks when both promptvars and POSIX mode are disabled during activation. Re-enabling promptvars, running set -o posix, or starting an interactive child bash that inherits the exported PS1 can then expand command substitution in the stored VIRTUAL_ENV_PROMPT value and execute commands as the user who activates the environment. This issue is fixed in version 21.14.13.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 5

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 13:45
  2. StatusReceived → PublishedNVD modified 2026-10-23 20:55
  3. StatusPublished → ReceivedNVD modified 2026-10-23 21:17
  4. StatusReceived → PublishedNVD modified 2026-10-23 19:34
  5. First seenCVSS 7.1NVD modified 2026-10-23 20:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4