Command Injection in pip when used with Mercurial
When installing a package from a Mercurial VCS URL, e.g. pip install hg+..., with pip prior to v23.3, the specified Mercurial revision could be used to inject arbitrary configuration options to the hg clone call (e.g. --config). Controlling the Mercurial configuration can modify how and which repository is installed. This vulnerability does not affect users who aren't installing from Mercurial.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | pip | < 23.3 | 23.3 |
References
- https://mail.python.org/archives/list/security-announce@python.org/thread/F4PL35U6X4VVHZ5ILJU3PWUWN7H7LZXL/
- https://github.com/pypa/pip/pull/12306
- https://github.com/advisories/GHSA-mq26-g339-26xf
- https://nvd.nist.gov/vuln/detail/CVE-2023-5752
- https://github.com/pypa/pip/commit/389cb799d0da9a840749fcd14878928467ed49b4
- https://github.com/pypa/advisory-database/tree/main/vulns/pip/PYSEC-2023-228.yaml
- https://github.com/pypa/pip
- https://lists.debian.org/debian-lts-announce/2025/10/msg00028.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/622OZXWG72ISQPLM5Y57YCVIMWHD4C3U
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/65UKKF5LBHEFDCUSPBHUN4IHYX7SRMHH
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FXUVMJM25PUAZRQZBF54OFVKTY3MINPW
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KFC2SPFG5FLCZBYY2K3T5MFW2D22NG6E
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YBSB3SUPQ3VIFYUMHPO3MEQI4BJAXKCZ
- https://mail.python.org/archives/list/security-announce@python.org/thread/F4PL35U6X4VVHZ5ILJU3PWUWN7H7LZXL
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-77- Platform
- Python (PyPI)
- Package
pip- Disclosed
- 25.10.2023
- Updated
- 11.10.2026 15:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2023-228 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-mq26-g339-26xf - CC BY 4.0
Vulnerability history: pip
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 13
- First → latest
- 08.2013 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 4
- Medium 8
- Low 1
Disclosures per year
- 2017: 0
- 2018: 0
- 2019: 1
- 2020: 1
- 2021: 1
- 2022: 0
- 2023: 1
- 2024: 0
- 2025: 1
- 2026: 5
earlier: 3
-
Command Injection in pip when used with Mercurial this entry
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