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GHSA-2cv4-cqwr-gwf7

MediumCVSS 5.9 / 10
Published Oct 5, 2026·Last modified Oct 6, 2026
Affected Components(2)
crates.io logouv
0.12.7 – 0.12.18
PyPI logouv
0.12.7 – 0.12.18
Description

Impact

In versions of uv from 0.12.7 to 0.12.18 on Windows, uv could be induced into writing a file outside of the installation prefix during wheel installation.

A malicious wheel could use this to place an executable outside of the intended environment, including in a directory already present on the user's PATH.

This vulnerability only affects Windows hosts; no other platforms are affected.

Patches

uv 0.12.18 and newer address this vulnerability. Users are encouraged to upgrade to 0.12.18.

Workarounds

There is no workaround other than upgrading to uv 0.12.18.

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Risk Scores
Base Score
5.9

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights.

Threat Intelligence
2.1

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.43%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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