Link Following Affecting rubygems package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.14% (5th percentile)

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  • Snyk IDSNYK-DEBIAN13-RUBYGEMS-19430994
  • published30 Aug 2026
  • disclosed29 Aug 2026

Introduced: 29 Aug 2026

NewCVE-2026-82455  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

There is no fixed version for Debian:13 rubygems.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygems package and not the rubygems package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

RubyGems fails to re-validate path containment after filesystem symlink resolution during gem extraction. When a pre-existing symlink inside the destination directory points outside the extraction root, extracted files that appear to be written under the destination directory can instead be written outside of it, breaking the extraction safety boundary. The fix resolves the real path of the parent directory before writing and raises Gem::Package::PathError if it escapes the destination directory.

CVSS Base Scores

version 3.1