HIGH 7.1 Microsoft

CVE-2026-82455

RubyGems before 4.0.13 Path Traversal via Symlink Resolution

Microsoft Security Update 2026-Aug: RubyGems before 4.0.13 Path Traversal via Symlink Resolution

Affected Products

azl3 ruby 3.3.5-8 on Azure Linux 3.0
azl3 ruby 3.3.5-9 on Azure Linux 3.0
azl3 ruby 3.3.5-10 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-82455
https://nvd.nist.gov/vuln/detail/CVE-2026-82455

Published: 2026-08-11 · Source: Microsoft · Feed updated: 2026-10-13

This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-11 via Microsoft. Affected: azl3 ruby 3.3.5-8 on Azure Linux 3.0, azl3 ruby 3.3.5-9 on Azure Linux 3.0, azl3 ruby 3.3.5-10 on Azure Linux 3.0.

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