GitPython before 3.1.56 contains an argument injection vulnerability in the Commit.count() method, which forwards keyword arguments to 'git rev-list' without the check_unsafe_options guard present in the sibling iter_items method. An attacker who can control options passed to Commit.count (e.g., via an application that forwards a user-supplied options dict) can supply output=<path>, causing 'git rev-list --output=<path>' to open and truncate the target file to zero bytes before revision parsing. This allows destruction/blanking of an arbitrary file at the process's privilege level (no content control, 0-byte truncation).
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History
Sat, 15 Aug 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Gitpython Project
Gitpython Project gitpython |
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| CPEs | cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:* | |
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Gitpython Project
Gitpython Project gitpython |
Thu, 13 Aug 2026 14:30:00 +0000
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Gitpython-developers
Gitpython-developers gitpython |
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| Description | GitPython before 3.1.56 contains an argument injection vulnerability in the Commit.count() method, which forwards keyword arguments to 'git rev-list' without the check_unsafe_options guard present in the sibling iter_items method. An attacker who can control options passed to Commit.count (e.g., via an application that forwards a user-supplied options dict) can supply output=<path>, causing 'git rev-list --output=<path>' to open and truncate the target file to zero bytes before revision parsing. This allows destruction/blanking of an arbitrary file at the process's privilege level (no content control, 0-byte truncation). | |
| Title | GitPython before 3.1.56 Arbitrary File Truncation via Commit.count | |
| Weaknesses | CWE-88 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-13T11:28:22.108Z
Updated: 2026-08-14T18:10:19.023Z
Reserved: 2026-08-13T11:17:25.160Z
Link: CVE-2026-73621
Updated: 2026-08-14T18:02:52.534Z
Status : Received
Published: 2026-08-13T12:17:27.200
Modified: 2026-08-14T19:18:00.800
Link: CVE-2026-73621