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CVE-2026-17435

2.5 · LOW

File::Rotate::Simple versions before 0.4.0 for Perl create the target of dangling symlinks when rotating files.

Published Aug 7, 2026CWE-59EPSS 0.14%

Overview

CVE-2026-17435 is a low-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 2.5 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

File::Rotate::Simple versions before 0.4.0 for Perl create the target of dangling symlinks when rotating files.

When the file to be rotated is a symbolic link to a missing file, and the touch option is enabled, then the rotate method assumes that the file is absent (since the existence check is against the target), and does not rotate it. But it touches the file, which creates the target.

An attacker that has the ability to create the symlink can use this to create an arbitrary file with permissions of the process rotating the files (which may be different from the process that normally writes to the log file that is being rotated).

Note that the touch option is disabled by default.

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/robrwo/File-Rotate-Simple/commit/ead3f5c0e51217b34d286aa243949dba60b39eba.patchGitHubgithub.com/robrwo/File-Rotate-Simple/security/advisories/GHSA-fpmm-8f6h-wv74Refmetacpan.org/release/RRWO/File-Rotate-Simple-v0.4.0/changesRefwww.openwall.com/lists/oss-security/2026/08/07/7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-17435?

CVE-2026-17435 is a low-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 2.5 (LOW).

How severe is CVE-2026-17435?

This vulnerability has a CVSS 3.1 base score of 2.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-17435?

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-2026-17435?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-17435 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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