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CVE-2026-42284 is an input validation flaw in GitPython’s _clone() function affecting versions prior to 3.1.47. The vulnerability arises because the library validates entries in the multi_options parameter before transforming them with shlex.split(" ".join(multi_options)). An attacker can supply a crafted option string that appears benign or permitted during the initial validation step, but which is split into multiple Git command-line arguments afterward. This allows injection of additional Git options, including configuration directives such as core.hooksPath. During a clone operation, the injected configuration can cause Git to use attacker-controlled hooks, resulting in arbitrary code execution. The issue is reachable through GitPython cloning-related functionality that passes attacker-influenced input into multi_options, including clone_from(), clone(), and Submodule.update(). The flaw was patched in GitPython 3.1.47 by correcting the validation logic around option parsing.
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An arbitrary code execution vulnerability in GitPython caused by improper validation of clone options in the _clone() function, allowing malicious Git configuration injection during clone operations.
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A vulnerability listed as fixed by this Red Hat Ansible Automation Platform 2.6 security advisory; no technical details are provided in the content.
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