CVE-2025-10279 | THREATINT

Description

In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.

PUBLISHED Reserved 2025-09-11 | Published 2026-02-02 | Updated 2026-02-02 | Assigner @huntr_ai

HIGH: 7.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-379 Creation of Temporary File in Directory with Insecure Permissions

Product status

Any version before 3.4.0

affected

References

huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8

github.com/...ommit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a

cve.org (CVE-2025-10279)

nvd.nist.gov (CVE-2025-10279)

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