CVE-2026-110855

GitPython before 3.2.0 Environment Variable Disclosure via .gitmodules Submodule Name

State: Published
Severity: 7.1 High
Published: Oct 14, 2026
Updated: Oct 15, 2026
Reserved: Oct 14, 2026

Description

GitPython before 3.2.0 contains an information disclosure vulnerability that allows malicious repositories to expand environment variables via separate_git_dir in Repo._clone(), which omits expand_vars=False when calling Git.polish_url(). Attackers can craft a .gitmodules submodule name containing variable syntax so that clone plus submodule_update exposes secrets in .git/modules directory names and DEBUG logs.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
GitPythongitpython-developers	before 3.2.0Affected 3.2.0Not affected

References

GitHub Security Advisory (GHSA-fx3j-rwgx-fr94)vendor-advisory
VulnCheck Advisory: GitPython before 3.2.0 Environment Variable Disclosure via .gitmodules Submodule Namethird-party-advisory

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