SB2026040996 - Path traversal in uv
Published: April 9, 2026
Security Bulletin ID
SB2026040996
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: N/A)
The vulnerability allows a remote attacker to write files outside the intended installation prefix.
The vulnerability exists due to path traversal in tar extraction when processing a specially crafted source distribution with a sequence of symlinks. A remote attacker can provide a specially crafted source distribution to write files outside the intended installation prefix.
Only source distribution installations are affected; wheel installations are not affected.
Remediation
Install update from vendor's website.