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CVE-2026-35350

6.6 · MEDIUM

The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails.

Published Apr 22, 2026CWE-281EPSS 0.13%

Overview

CVE-2026-35350 is a medium-severity vulnerability. It was published on April 22, 2026 and has a CVSS 3.1 base score of 6.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p (preserve) flag, the utility applies the source mode bits even if the chown operation is unsuccessful. This can result in a user-owned copy retaining original privileged bits, creating unexpected privileged executables that violate local security policies. This differs from GNU cp, which clears these bits when ownership cannot be preserved.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/uutils/coreutils/issues/9750GitHubgithub.com/uutils/coreutils/issues/9750

How CyberStrike helps

Frequently asked questions

What is CVE-2026-35350?

CVE-2026-35350 is a medium-severity vulnerability. It was published on April 22, 2026 and has a CVSS 3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2026-35350?

This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-35350?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-35350?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-35350 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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