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VulnerabilityPublished

CVE-2026-113719: virtualenv · Seed replacement does not contain metadata deletion paths

Affects pipenvSource GCVE Database

0
Authoritative record:CVE-2026-113719· Medium 4.5

Not known to be exploited · CVSS 4.5 Medium : upgrade to 2026.10.1 when convenient.

Data as of 27 Oct 2026, 06:57 UTC

CVSS 3.1 base score
4.5Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 2026.10.1
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 pipenv to 2026.10.1.

Affected software

ProductAffectedFixed in
Homebrewpipenvpkg:brew/pipenvOther threatsAffected
  • >=2021.11.9 <2026.10.1
Fixed in
  • 2026.10.1

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

AI-suggested

A fix is available in virtualenv version 2026.10.1, which adds checks to ensure deletion paths are contained within the environment root and prevents deletion outside it. Users should upgrade to version 2026.10.1 or later to remediate this vulnerability. Avoid reusing environments containing untrusted or potentially malicious distribution metadata. Using the '--clear' option removes existing metadata and can prevent this issue during environment creation.

Description

CVE-2026-113719 is a vulnerability in virtualenv's app-data seeder that improperly deletes files outside the intended environment during seed package removal. It occurs when existing distribution metadata contains paths that traverse outside the environment, allowing deletion of arbitrary files accessible by the invoking user. This affects virtualenv versions from 2021.11.9 up to but not including 2026.10.1. The issue was fixed in version 2026.10.1.

References

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