Is CVE-2026-35355 actively exploited?

No active exploitation of CVE-2026-35355 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-35355 be exploited remotely?

No. CVE-2026-35355 requires local access to exploit.

What is the CVSS score of CVE-2026-35355?

CVE-2026-35355 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-35355

CWE-367Published: April 22, 2026· Updated: Apr 27, 2026

6.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.6th

Official Description

The install utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file installation. The implementation unlinks an existing destination file and then recreates it using a path-based operation without the O_EXCL flag. A local attacker can exploit the window between the unlink and the subsequent creation to swap the path with a symbolic link, allowing them to redirect privileged writes to overwrite arbitrary system files.

NVD Source

Technical Analysis

CVE-2026-35355 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.3.