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CVE-2026-35341

7.1 high SSVC exploitation: none Analyzed
NVD · CVE.org

A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because a file already exists at the target path, it fails to terminate the operation for that path and continues to execute a follow-up set_permissions call. This results in the existing file's permissions being changed to the default mode (often 644 after umask), potentially exposing sensitive files such as SSH private keys to other users on the system.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.1 · uutilsNVD modified 2026-10-26 22:10

Affected (CPE criteria) 1

  • cpe:2.3:a:uutils:coreutils:-:*:*:*:*:rust:*:*

References 1