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CVE-2026-53486

9.1 · CRITICAL

The decompress package for Node.js extracts archives.

Published Jul 14, 2026CWE-22EPSS 0.75%

Overview

CVE-2026-53486 is a critical-severity vulnerability. It was published on July 14, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The decompress package for Node.js extracts archives. Prior to 10.2.1 and 11.1.3, archive extraction can create files and links outside the target directory. When extracting an archive to a directory, a crafted archive can read or write files outside that directory because hardlink and symlink entries are created without checking where targets point, path containment used a string prefix comparison, and file modes failed to remove setuid, setgid, or sticky bits. This issue is fixed in @xhmikosr/decompress versions 10.2.1 and 11.1.3.

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/XhmikosR/decompress/commit/281cefa00cd4275c10479bc5f1abba6b14dee8bdGitHubgithub.com/XhmikosR/decompress/commit/60b5299402e72b0b53ca2e55222e9a1ccb44afaeGitHubgithub.com/XhmikosR/decompress/commit/9fcda4b0a66ca22dc8d337f9b0e7c30293c5fb89GitHubgithub.com/XhmikosR/decompress/commit/aca5aac415dc04a6fae5200e51368cff436a09ddGitHubgithub.com/XhmikosR/decompress/releases/tag/v10.2.1GitHubgithub.com/XhmikosR/decompress/releases/tag/v11.1.3GitHubgithub.com/XhmikosR/decompress/security/advisories/GHSA-mp2f-45pm-3cg9

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53486?

CVE-2026-53486 is a critical-severity vulnerability. It was published on July 14, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-53486?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-53486?

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-2026-53486?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53486 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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