CVE-2026-42497
7.5 · HIGHOverview
CVE-2026-42497 is a high-severity vulnerability affecting archive\ \. It was published on May 26, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory.
_make_special_file() passes the tar header's linkname to link() without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode.
A subsequent write through the extracted name modifies the victim file, and the post-extraction chmod, chown, and utime block in _extract_file() (guarded only against symlinks via -l) applies the tar header's mode, owner, and timestamps to the shared inode during extraction alone.
Remediation
Check the references section for vendor advisories and patches from archive\. Update \ to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| archive\ | \ | >= 0, < 3.08 | Affected |
Frequently Asked Questions
What is CVE-2026-42497?
CVE-2026-42497 is a high-severity vulnerability affecting archive\ \. It was published on May 26, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-42497?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-42497?
Check the references section for vendor advisories and patches from archive\. Update \ to the latest patched version. 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-2026-42497?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-42497 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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