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Path traversal in NodeJS unzipper

Priority LOW 38CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

unzipper npm library before 0.8.13 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

Why it matters now

EPSS 0.10553 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed unzipper (node.js): 0.8.13unzipper (npm): 0.8.13

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSunzipperbefore 0.8.130.8.13Patch availableCNA
—unzipper (npm)before 0.8.130.8.13Patch availableGHSA-884w-698f-927f
  • unzipper VendorNodeJS Affected before 0.8.13 Fixed in 0.8.13 Patch available CNA
  • unzipper (npm) Vendor— Affected before 0.8.13 Fixed in 0.8.13 Patch available GHSA-884w-698f-927f

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:unzipper_project:unzipper:*:*:*:*:*:node.js:*:*before 0.8.13VulnerableUnzipper Project
  • cpe:2.3:a:unzipper_project:unzipper:*:*:*:*:*:node.js:*:* Versions before 0.8.13 Vulnerable ·Unzipper Project

Remediation

  • Fix · CNA unzipper (node.js) Fixed in 0.8.13
  • Fix · GHSA-884w-698f-927f unzipper (npm) Fixed in 0.8.13 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1002203
  2. 2026-10-03 Alias added: GHSA-884w-698f-927f

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2024-18584 Race condition in NodeJS Node CVSS 3.0HIGH 8.2
  • TI-2016-01993 The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other… CVSS 3.1HIGH 7.5
  • TI-2024-03325 Command injection vulnerability in programing languages on Microsoft Windows operating system. CVSS 3.1CRITICAL 9.8
  • TI-2022-03472 X.509 Email Address Variable Length Buffer Overflow CVSS 3.1HIGH 7.5
See all 295 →

Sources