CVE-2026-73622: gitpython before 3.1.55 (exclusive); +1 more affected products

CVE-2026-73622. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00514 (percentile 0.42902), scored 22-Oct-2026.

Affected technology

gitpython · before 3.1.55 (exclusive)
gitpython project

GitPython · 0 to before 3.1.55
gitpython-developers

Description’s affected range: before 3.1.55 fails to disable environment variable expansion in Remote.create() and Submodule.add() URL handling

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Attackers can craft URLs with environment variable tokens that are expanded into .git/config and .gitmodules, then transmitted to attacker-controlled hosts during fetch or pull operations. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-200
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00514 · percentile 0.42902 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-73622.html