HIGH 7.5 Microsoft
CVE-2026-85396
rubyzip before 3.4.0 Path Traversal in Zip::Entry#extract via Sibling-Directory Prefix
Microsoft Security Update 2026-Sep: rubyzip before 3.4.0 Path Traversal in Zip::Entry#extract via Sibling-Directory Prefix
Affected Products
- azl3 rubygem-rubyzip 2.3.2-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85396
- https://nvd.nist.gov/vuln/detail/CVE-2026-85396
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-09-08 via Microsoft. Affected: azl3 rubygem-rubyzip 2.3.2-1 on Azure Linux 3.0.
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