CVE-2026-1703
CVE-2026-1703 is a low-severity vulnerability with a CVSS 4.0 base score of 2.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Low (CVSS 4.0 base score 2.0)
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5106
- Weakness: CWE-22
- Published:
- Last modified:
Description
When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.
Frequently asked questions
- What is CVE-2026-1703?
- When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.
- How severe is CVE-2026-1703?
- CVE-2026-1703 has a CVSS 4.0 base score of 2.0, rated low severity.
- Is CVE-2026-1703 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-1703?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-1703 have an EU (EUVD) identifier?
- Yes. CVE-2026-1703 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5106.
- When was CVE-2026-1703 published?
- CVE-2026-1703 was published on 2026-02-02 and last updated on 2026-06-17.
References
- https://github.com/pypa/pip/commit/8e227a9be4faa9594e05d02ca05a413a2a4e7735
- https://github.com/pypa/pip/pull/13777
- https://mail.python.org/archives/list/[email protected]/thread/WIEA34D4TABF2UNQJAOMXKCICSPBE2DJ/
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