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Vulnerability record · CVE-2026-35365 · published 22 April 2026

CVE-2026-35365: Uutils coreutils link following vulnerability

UUutils · Coreutils

The mv utility in uutils coreutils improperly handles directory trees containing symbolic links during moves across filesystem boundaries. Instead of preserving symlinks, the implementation expands them, copying the linked targets as real files or directories at the destination. This can lead to resource exhaustion (disk space or time) if symlinks point to large external directories, unexpected duplication of sensitive data into unintended locations, or infinite recursion and repeated copying in the presence of symlink loops.

6.6 CVSS 3.1 Medium EPSS 0.19% · top 92.6% CWE-59 · Link following
6.6CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The mv utility in uutils coreutils improperly handles directory trees containing symbolic links during moves across filesystem boundaries. Instead of preserving symlinks, the implementation expands them, copying the linked targets as real files or directories at the destination. This can lead to resource exhaustion (disk space or time) if symlinks point to large external directories, unexpected duplication of sensitive data into unintended locations, or infinite recursion and repeated copying in the presence of symlink loops.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/uutils/coreutils/pull/10546 Issue TrackingPatch
https://github.com/uutils/coreutils/releases/tag/0.7.0 Release Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2026-35368Uutils coreutils untrusted search path vulnerabilityA vulnerability exists in the chroot utility of uutils coreutils when using the --userspec option. The utility resolves the user specification via ge…EPSS 0.15%7.7CVE-2026-35349Uutils coreutils link following vulnerabilityA vulnerability in the rm utility of uutils coreutils allows a bypass of the --preserve-root protection. The implementation uses a path-string check …EPSS 0.21%7.3CVE-2026-35338Uutils coreutils path traversal vulnerabilityA vulnerability in the chmod utility of uutils coreutils allows users to bypass the --preserve-root safety mechanism. The implementation only validat…EPSS 0.20%7.1CVE-2026-35341Uutils coreutils incorrect permission assignment vulnerabilityA vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a F…EPSS 0.14%7.0CVE-2026-35352Uutils coreutils toctou race condition vulnerabilityA Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mkfifo utility of uutils coreutils. The utility creates a FIFO and then performs…EPSS 0.12%6.6CVE-2026-35350Uutils coreutils vulnerabilityThe cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p (prese…EPSS 0.13%6.3CVE-2026-35374Uutils coreutils toctou race condition vulnerabilityA Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the split utility of uutils coreutils. The program attempts to prevent data loss by c…EPSS 0.09%6.3CVE-2026-35364Uutils coreutils toctou race condition vulnerabilityA Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mv utility of uutils coreutils during cross-device operations. The utility remov…EPSS 0.10%

Source: NIST National Vulnerability Database (record CVE-2026-35365), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.