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VulnerabilityPublished Updated

CVE-2026-100689: Mistral vibe · GitPython submodule update path traversal can write outside the repository

Affects mistral-vibeSource GCVE Database

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Authoritative record:CVE-2026-100689· High 8.7

Not known to be exploited · CVSS 8.7 High : upgrade to 2.26.0 soon.

Data as of 30 Oct 2026, 08:15 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 2.26.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 29 Oct 2026.

What to do

Upgrade mistral-vibe to 2.26.0.

Affected software

ProductAffectedFixed in
Homebrewmistral-vibepkg:brew/mistral-vibeOther threatsAffected
  • >=2.1.0 <2.26.0
Fixed in
  • 2.26.0

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 GitPython version 2.26.0 that applies containment validation to the 'path' field in submodule updates. Users should upgrade to version 2.26.0 or later. The vendor's existing containment guard (_to_relative_path) is applied to the 'path' field to prevent directory traversal outside the repository. No additional mitigation is required if the fix is applied.

Description

CVE-2026-100689 is a path traversal vulnerability in GitPython 3.1.61 and main branch affecting the submodule update process. The vulnerability arises because the 'path' field from a .gitmodules file is used without proper containment validation, allowing an attacker to specify a directory outside the repository. This can lead to directory creation and population outside the intended repository path during submodule update operations targeting non-HEAD commits. The vulnerability is mitigated in version 2.26.0 by applying existing containment guards to the 'path' field.

References

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