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VulnerabilityPublished

CVE-2026-113719: pypa virtualenv · Path Traversal

Affects pypa virtualenvSource CVE Database V5

0

Not known to be exploited · CVSS 4.5 Medium : upgrade to 21.14.9 when convenient.

Data as of 26 Oct 2026, 17:30 UTC

CVSS 3.1 base score
4.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 21.14.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade pypa virtualenv to 21.14.9.

Affected software

ProductAffectedFixed in
pypavirtualenvAffected
  • <21.14.9
Fixed in
  • 21.14.9
PyPIvirtualenvpkg:pypi/virtualenvOther threatsAffected
  • <21.14.9
Fixed in
  • 21.14.9

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade virtualenv to version 21.14.9 or later, where this path traversal and improper deletion issue is fixed. Avoid creating environments that reuse existing package metadata if upgrading is not immediately possible. Creating fresh environments without existing metadata or using the --clear option can also avoid triggering this vulnerability. No other specific mitigations are indicated.

Description

CVE-2026-113719 is a path traversal vulnerability in pypa virtualenv versions prior to 21.14.9. It occurs during environment creation when existing package metadata is reused, allowing deletion of files outside the intended environment directory if the invoking user has sufficient deletion permissions. The issue is fixed in version 21.14.9.

References

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