CVE-2026-67324: GitPython 3.1.50 fails to recognize joined short-option forms such as -u (the short form of --upload-pack= ) when enforcing its default unsafe-option gate. When an app
GitPython 3.1.50 fails to recognize joined short-option forms such as -u<value> (the short form of --upload-pack=<value>) when enforcing its default unsafe-option gate. When an application passes attacker-influenced clone options into Repo.clone_from(..., multi_options=..., allow_unsafe_options=False), an attacker can supply -u<helper> to bypass the gate that blocks --upload-pack/-u, causing Git to execute the specified helper command during clone. Fixed in 3.1.51.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-67324
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-67324 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for GitPython
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-67326: GitPython before 3.1.50 fails to validate newline characters in the section parameter of confi…nvd · 2026-08-01
- highCVE-2026-67325: GitPython before 3.1.51 contains an incomplete command injection blocklist that fails to accou…nvd · 2026-08-01
- highCVE-2026-67323: GitPython before 3.1.51 fails to guard against dangerous Git options passed as keyword argumen…nvd · 2026-08-01
- highCVE-2026-67322: GitPython before 3.1.52 is vulnerable to environment-variable exfiltration in Repo.clone_from(…nvd · 2026-08-01
- highGHSA-94p4-4cq8-9g67: GitPython: Environment-variable exfiltration via Repo.create_remote() / Remote.add() URL …ghsa · 2026-07-24
- highGHSA-r9mr-m37c-5fr3: GitPython: Unsafe git option guard bypass via single-character kwarg value token smugglin…ghsa · 2026-07-24
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