VDB

CVE-2026-53486

CVE-2026-53486 PUBLISHED CVSS 9.1 CRITICAL

Reported by GitHub_M · Published July 14, 2026

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.

Risk Scores

CVSS 3.1
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products

VendorProductVersions
XhmikosRdecompress< 10.2.1, >= 11.0.0, < 11.1.3
chainguardpy3-captum0, 0, 0
XhmikosRdecompress>= 11.0.0, < 11.1.3, >= 11.0.0, < 11.1.3, < 10.2.1
xhmikosrdecompress11.0.0, 0, 11.0.0
npmdecompress0, 0, 0

Timeline

  • Jul 6, 2026 CVE Published
  • Jul 15, 2026 Coalition ESS Score
  • Jul 15, 2026 Security Advisory
  • Jul 15, 2026 CVE Updated
  • Aug 7, 2026 EPSS Score
  • Aug 24, 2026 EPSS Score
  • Aug 26, 2026 EPSS Score
  • Aug 28, 2026 EPSS Score
  • Aug 30, 2026 EPSS Score
  • Sep 3, 2026 EPSS Score
  • Sep 5, 2026 EPSS Score
  • Sep 6, 2026 EPSS Score
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