{"cve":"CVE-2018-1000079","nvd":{"published":"2018-03-13T15:29:00.783","modified":"2026-06-17T01:32:22.863","status":"Modified","description":"RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","score":5.5},"cwes":["CWE-22"],"references":["http://blog.rubygems.org/2018/02/15/2.7.6-released.html","http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html","https://access.redhat.com/errata/RHSA-2018:3729","https://access.redhat.com/errata/RHSA-2018:3730","https://access.redhat.com/errata/RHSA-2018:3731"],"products":["rubygems:rubygems"],"source":"nvd","synced_at":"2026-10-19T20:48:50.842038930+00:00"},"epss":{"cve":"CVE-2018-1000079","score":0.02779,"percentile":0.8637,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8qxg-mff5-j3wc","url":"https://osv.dev/vulnerability/GHSA-8qxg-mff5-j3wc","summary":"RubyGems Path Traversal vulnerability","modified":"2024-03-12T05:17:45.020266Z","packages":[{"ecosystem":"RubyGems","name":"rubygems-update","purl":"pkg:gem/rubygems-update","ranges":["<2.7.6"],"fixed":["2.7.6"]},{"ecosystem":"Maven","name":"org.jruby:jruby-stdlib","purl":"pkg:maven/org.jruby/jruby-stdlib","ranges":["<9.1.16.0"],"fixed":["9.1.16.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}