{"id":"CVE-2019-5464","aliases":["EUVD-2019-15046","GHSA-4736-r24c-m444"],"status":"published","title":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the ...","description":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02803,"percentile":0.86571,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-918"],"published":"2020-01-28T02:23:14Z","modified":"2026-10-30T10:30:36Z","products":[{"vendor":"gitlab","product":"gitlab"},{"vendor":"gitlab","product":"gitlab ce/ee"}],"references":[{"url":"https://about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/","tags":["x_refsource_MISC","x_transferred","Patch","Release Notes","Vendor Advisory","fix"]},{"url":"https://hackerone.com/reports/632101","tags":["x_refsource_MISC","x_transferred","Permissions Required","report"]},{"url":"https://gitlab.com/gitlab-org/gitlab-ce/issues/63959","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-5464"},{"url":"https://github.com/advisories/GHSA-4736-r24c-m444"}],"sources":{"cve":[{"id":"CVE-2019-5464","description":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.","status":"published","published":"2020-01-28T02:23:14Z","modified":"2024-08-04T19:54:53.478Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:18.411291Z"}],"euvd":[{"id":"EUVD-2019-15046","description":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.","status":"published","published":"2020-01-28T02:23:14Z","modified":"2024-08-04T19:54:53Z","updated_at":"2026-11-03T03:06:51.888651Z"}],"ghsa":[{"id":"GHSA-4736-r24c-m444","title":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the ...","description":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.","status":"published","published":"2022-05-24T17:07:36Z","modified":"2023-01-29T05:01:13Z","updated_at":"2026-11-02T14:44:45.930691Z"}],"nvd":[{"id":"CVE-2019-5464","description":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.","status":"published","published":"2020-01-28T03:15:10.903Z","modified":"2026-06-17T02:37:44.11Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20","CWE-918"],"updated_at":"2026-11-02T14:05:43.875329Z"}],"osv":[{"id":"CVE-2019-5464","description":"A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.","status":"published","published":"2020-01-28T03:15:10.903Z","modified":"2026-10-30T10:30:36.147927024Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:12.675558Z"}]}}