GitPython validates a submodule's ".git" path only after cloning into it (RCE)

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-114145
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-21 21:17:57 UTC
Updated2026-10-21 21:17:57 UTC
DescriptionGitPython is a python library used to interact with Git repositories. Prior to 3.2.1, create_submodule() in git/objects/submodule/base.py accepts an attacker-influenced submodule path such as .git/hooks and invokes _clone_repo() before safely rejecting the destination. In 3.1.x, _validate_repo_path() does not exist and the call succeeds silently, while in 3.2.0 and later affected revisions the check in git/index/base.py raises ValueError only after the clone has written to disk and does not remove the planted file. An attacker-controlled submodule can therefore place an executable post-checkout hook that a later Git operation executes. Exploitation requires an application to accept an untrusted submodule path and a clone destination such as .git/hooks that is empty enough for Git to clone into it, which commonly means that default sample hooks are absent. This issue is fixed in version 3.2.1.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-696 | CWE-696 CWE-696: Incorrect Behavior Order

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Gitpython-developers GitPython affected < 3.2.1 Not specified

References

ReferenceSourceLinkTags
github.com/gitpython-developers/GitPython/commit/97eadb888d2f99567e3113f... [email protected] github.com
github.com/gitpython-developers/GitPython/releases/tag/3.2.1 [email protected] github.com
github.com/gitpython-developers/GitPython/pull/2264 [email protected] github.com
github.com/gitpython-developers/GitPython/security/advisories/GHSA-83vg-... [email protected] github.com
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