decompress: Archive extraction can create files and links outside the target directory

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Summary

CVECVE-2026-53486
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-14 21:17:05 UTC
Updated2026-07-14 21:17:05 UTC
DescriptionThe 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 And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

Problem Types: CWE-22 | CWE-59 | CWE-732 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | CWE-59 CWE-59: Improper Link Resolution Before File Access ('Link Following') | CWE-732 CWE-732: Incorrect Permission Assignment for Critical Resource

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA XhmikosR Decompress affected < 10.2.1 Not specified
CNA XhmikosR Decompress affected >= 11.0.0, < 11.1.3 Not specified

References

ReferenceSourceLinkTags
github.com/XhmikosR/decompress/releases/tag/v10.2.1 [email protected] github.com
github.com/XhmikosR/decompress/commit/aca5aac415dc04a6fae5200e51368cff43... [email protected] github.com
github.com/XhmikosR/decompress/commit/9fcda4b0a66ca22dc8d337f9b0e7c30293... [email protected] github.com
github.com/XhmikosR/decompress/commit/281cefa00cd4275c10479bc5f1abba6b14... [email protected] github.com
github.com/XhmikosR/decompress/releases/tag/v11.1.3 [email protected] github.com
github.com/XhmikosR/decompress/commit/60b5299402e72b0b53ca2e55222e9a1ccb... [email protected] github.com
github.com/XhmikosR/decompress/security/advisories/GHSA-mp2f-45pm-3cg9 [email protected] github.com
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