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Advisory record · GHSA-gx69-6cp4-hxrj

RubyGems Link Following vulnerability

CVSS 7.5 HighEPSS 0.049 · 92nd percentile

Published by the GitHub Advisory Database at 13 May 2022, 01:18 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
rubygems-updateRubyGems<2.7.62.7.6
org.jruby:jruby-stdlibMaven<9.1.16.09.1.16.0
Identifiers
GHSA-gx69-6cp4-hxrj · CVE-2018-1000073
Weakness (CWE)
CWE-59
Tags
Published
13 May 2022
Updated
12 Mar 2024

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

rubygems-update before 2.7.6 has a directory traversal flaw in the install_location function of package.rb that can write files outside the root when the base directory is a symlink. The source gives few details on what an attacker needs. Upgrade rubygems-update to 2.7.6; jruby-stdlib is also listed as affected before 9.1.16.0.

Written 8 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.049, the 92nd percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:13 UTC First seen by agentprime
  2. 31 Oct 2026, 15:13 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.