High severity · published Oct 21, 2026
CVE-2026-114109
uv before 0.11.15 Arbitrary File Write via Entry Point Names
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
uv before 0.11.15 contains a path traversal vulnerability that allows malicious wheels to write files outside the scripts directory via crafted console_scripts or gui_scripts entry point names. Attackers who induce users to install a malicious wheel can place executables in PATH directories, shadowing or overwriting existing binaries for code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UV
uv · astral-sh
before 0.11.15; before 0.11.15 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114109
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114109
github.com
https://github.com/astral-sh/uv/security/advisories/GHSA-4gg8-gxpx-9rph
www.vulncheck.com
https://www.vulncheck.com/advisories/uv-before-0.11.15-arbitrary-file-write-via-entry-point-names
More from uv
6.5
CVE-2025-71437
Astral uv through 0.8.21 Path Traversal via Symlinks in Sdist Tar Extraction
6.3
CVE-2025-13327
Uv: uv: specially crafted zip archives lead to arbitrary code execution due to parsing differentials
5.9
CVE-2026-104843
uv: Path traversal on Windows through wheel extraction
5.3
CVE-2026-114110
Astral uv before 0.11.6 Arbitrary File Deletion via Wheel RECORD Entries
