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CVE-2026-113732

7.8 high SSVC exploitation: none Published
NVD · CVE.org

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.2, FishActivator inherits ViaTemplateActivator.quote(), which uses POSIX shlex.quote() even though fish interprets backslashes and single quotes differently. An attacker-influenced environment path, --prompt, or VIRTUALENV_PROMPT value containing a backslash before a quote can therefore terminate the generated fish literal and execute command substitution when the user sources activate.fish. This issue is fixed in version 21.14.2.

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 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 13:26
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 14:16
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 13:26
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 16:47
  5. StatusReceived → PublishedNVD modified 2026-10-20 22:01
  6. First seenCVSS 7.8NVD modified 2026-10-20 22:19

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3