🛡️ CVE-2025-10279 — mlflow

🟠 CVSS 8.0 — High ⚠️ Exploit Public CWE-379 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

mlflow Creates of Temporary File in Directory with Insecure Permissions

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-10279 is classified as CWE-379: Creation of Temporary File in Directory with Insecure Permissions. The product creates a temporary file in a directory whose permissions allow unintended actors to determine the file's existence or otherwise access that file.

Affected software

CVE-2025-10279 is recorded against 1 package.

  • mlflow

Timeline and source

Published on 16 April 2026 and last revised on 7 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Web)
huntr.com (Web)
nvd.nist.gov (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-379
Public Exploit ⚠️ Yes
Source OSV
Published 2026-04-16
Updated 2026-08-12
Modified 2026-07-07

Affected Packages

Software From version Fixed in
mlflow — —

Similar Threats

Exploit Protection

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