Cyber Resilience

CVE-2026-42215

HighPublic PoCRCE

Published: 07 May 2026

Published
07 May 2026
Modified
11 May 2026
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0072 49.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-42215 is a high-severity OS Command Injection (CWE-78) vulnerability in Gitpython Project Gitpython. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Python (T1059.006); ranked at the 49.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

GitPython is a python library used to interact with Git repositories. From version 3.1.30 to before version 3.1.47, GitPython blocks dangerous Git options such as --upload-pack and --receive-pack by default, but the equivalent Python kwargs upload_pack and receive_pack bypass that…

more

check. If an application passes attacker-controlled kwargs into Repo.clone_from(), Remote.fetch(), Remote.pull(), or Remote.push(), this leads to arbitrary command execution even when allow_unsafe_options is left at its default value of False. This issue has been patched in version 3.1.47.

CWE(s)
CWE-78

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.006 Python Execution
Adversaries may abuse Python commands and scripts for execution.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
Why these techniques?

CWE-78 OS command injection in GitPython enables arbitrary command execution when attacker-controlled kwargs reach clone/fetch/pull/push methods, directly mapping to Python interpreter abuse and client-side exploitation.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-42284Same product: Gitpython Project Gitpython
CVE-2026-44243Same product: Gitpython Project Gitpython
CVE-2026-44244Same product: Gitpython Project Gitpython
CVE-2026-44345Shared CWE-78
CVE-2026-26331Shared CWE-78
CVE-2025-56803Shared CWE-78
CVE-2026-5485Shared CWE-78
CVE-2026-40032Shared CWE-78
CVE-2026-33412Shared CWE-78
CVE-2024-14010Shared CWE-78

Affected Assets

gitpython project
gitpython
3.1.30 — 3.1.47

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References