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Vulnerability record · CVE-2026-35367 · published 22 April 2026

CVE-2026-35367: Uutils coreutils incorrect permission assignment vulnerability

UUutils · Coreutils

The nohup utility in uutils coreutils creates its default output file, nohup.out, without specifying explicit restricted permissions. This causes the file to inherit umask-based permissions, typically resulting in a world-readable file (0644). In multi-user environments, this allows any user on the system to read the captured stdout/stderr output of a command, potentially exposing sensitive information. This behavior diverges from GNU coreutils, which creates nohup.out with owner-only (0600) permissions.

3.3 CVSS 3.1 Low EPSS 0.13% · top 97.8% CWE-732 · Incorrect permission assignment
3.3CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The nohup utility in uutils coreutils creates its default output file, nohup.out, without specifying explicit restricted permissions. This causes the file to inherit umask-based permissions, typically resulting in a world-readable file (0644). In multi-user environments, this allows any user on the system to read the captured stdout/stderr output of a command, potentially exposing sensitive information. This behavior diverges from GNU coreutils, which creates nohup.out with owner-only (0600) permissions.

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

Affected products

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

References

LinkTags
https://github.com/uutils/coreutils/issues/10021 ExploitIssue TrackingVendor Advisory
https://github.com/uutils/coreutils/issues/10021 ExploitIssue TrackingVendor Advisory

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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-2026-35365Uutils coreutils link following vulnerabilityThe mv utility in uutils coreutils improperly handles directory trees containing symbolic links during moves across filesystem boundaries. Instead of…EPSS 0.19%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%

Source: NIST National Vulnerability Database (record CVE-2026-35367), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.