GitPython before 3.1.54 contains an incomplete denylist in unsafegitclone_options that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute when git clones the repository.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-78"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73623.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.1.54"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}