CVE-2026-114110: Relative Path Traversal in astral-sh uv
Description
Astral uv versions before 0.11.6 have a path traversal vulnerability that allows attackers to delete arbitrary files by crafting malicious wheels with relative traversal paths in RECORD entries. This causes the uninstall process to delete files outside the intended installation directory.
CVSS v4.0
Score 8.7high
Affected software
astral-sh
uv
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-114110 describes a relative path traversal vulnerability in the astral-sh uv package prior to version 0.11.6. The flaw allows attackers to supply malicious wheel packages whose RECORD entries include relative traversal paths referencing files outside the installation prefix. When the user uninstalls such a package, uv deletes these referenced files, enabling arbitrary file deletion.
Potential Impact
Successful exploitation allows an attacker to delete arbitrary files on the system during package uninstallation, potentially leading to data loss or system instability. The vulnerability does not require privileges or user interaction and has a high severity score (CVSS 8.7).
Mitigation Recommendations
Upgrade astral-sh uv to version 0.11.6 or later, where this vulnerability is fixed. No other mitigations are indicated. Patch status is confirmed fixed in 0.11.6.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-20T21:47:43.313Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad80c0a2cdf04f6568caa61
Added to database: 10/21/2026, 00:49:14 UTC
Last enriched: 10/21/2026, 01:03:34 UTC
Last updated: 10/21/2026, 01:08:25 UTC
Views: 3
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