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CVE-2026-78676: gitpython before 3.1.59 (exclusive); +1 more affected products
CVE-2026-78676. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.00775 (percentile 0.54522), scored 11-Oct-2026.
Affected technology
gitpython · before 3.1.59 (exclusive)
gitpython project
GitPython · 0 to before 3.1.59
gitpython-developers
Description’s affected range: before 3.1.59 fails to safely re-serialize multi-line git-config values during write operations
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 config files with embedded newlines that become live git directives after any unrelated GitPython config write, enabling arbitrary code execution via hook invocation. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-88
- CCR priority
- 39.4 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00775 · percentile 0.54522 · 2026-10-11
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-12 16:54:24.294989+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-78676.html