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TI-2018-16140 Aliases CVE-2018-1002208GHSA-cqj4-m2pc-v9m5

Path traversal in SharpZipLib

Priority LOW 37CWE-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 3.1 · NVD. Fix status from CNA and GitHub.

Summary

SharpZipLib before 1.0 RC1 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 0.09884 95th percentileScored 2026-11-07
Fix Fixed SharpZipLib (NuGet): 1.0.0-rc1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SharpZipLibSharpZipLib< 1.0 RC1—No fix listedCNA
—SharpZipLib (NuGet)before 1.0.0-rc11.0.0-rc1Patch availableGHSA-cqj4-m2pc-v9m5
  • SharpZipLib VendorSharpZipLib Affected < 1.0 RC1 Fixed in — No fix listed CNA
  • SharpZipLib (NuGet) Vendor— Affected before 1.0.0-rc1 Fixed in 1.0.0-rc1 Patch available GHSA-cqj4-m2pc-v9m5

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*up to 0.86.0.518Vulnerableicsharpcode
  • cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:* Versions up to 0.86.0.518 Vulnerable ·icsharpcode

Remediation

  • Fix · GHSA-cqj4-m2pc-v9m5 SharpZipLib (NuGet) Fixed in 1.0.0-rc1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1002208
  2. 2026-10-03 Alias added: GHSA-cqj4-m2pc-v9m5

References

Patch 2

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences