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Vulnerability record · CVE-2018-1002208 · published 25 July 2018

CVE-2018-1002208: Sharpziplib project sharpziplib path traversal vulnerability

Sharpziplib Project · Sharpziplib

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'.

5.5 CVSS 3.1 Medium EPSS 9.9% · top 4.6% CWE-22 · Path traversal
5.5CVSS 3.1 base score, v2 4.3
9.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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'.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/icsharpcode/SharpZipLib/issues/232 Issue TrackingPatchThird Party Advisory
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0 Issue TrackingPatchThird Party Advisory
https://github.com/snyk/zip-slip-vulnerability Third Party Advisory
https://snyk.io/research/zip-slip-vulnerability Third Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247 ExploitPatchTechnical Description
https://github.com/icsharpcode/SharpZipLib/issues/232 Issue TrackingPatchThird Party Advisory
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0 Issue TrackingPatchThird Party Advisory
https://github.com/snyk/zip-slip-vulnerability Third Party Advisory
https://snyk.io/research/zip-slip-vulnerability Third Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247 ExploitPatchTechnical Description

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-1002208), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.