{"id":"CVE-2026-120642","aliases":["AZL-112771","DEBIAN-CVE-2026-120642","EUVD-2026-116609","GHSA-mqfc-h2mx-w8gc","UBUNTU-CVE-2026-120642","openSUSE-SU-2026:12465-1"],"status":"published","title":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00424,"percentile":0.37198,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1173"],"published":"2026-11-03T23:40:44Z","modified":"2026-11-09T19:18:09Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"perl-CGI","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.60-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.55-1","4.57-1","4.59-1","4.60-1","4.61-1","4.62-1","4.63-1","4.64-1","4.65-1","4.66-1","4.67-1","4.68-1","4.70-1","4.71-1","4.72-1","5.02-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.68-1","4.70-1","4.71-1","4.72-1","5.02-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.68-1","4.70-1","4.71-1","4.72-1","5.02-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.21-1","4.22-1","4.25-1","4.26-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.36-1","4.37-1","4.38-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.44-1","4.45-1","4.46-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.51-1","4.53-1","4.54-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.57-1","4.60-1","4.61-1","4.62-1","4.63-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.71-1build1","4.72-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libcgi-pm-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.68-1","4.71-1","4.71-1build1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"perl-CGI","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.20.0-1.1"}]}],"bundled":20}],"references":[{"url":"https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm","tags":["technical-description","article","report"]},{"url":"https://metacpan.org/release/LEEJO/CGI-5.00/changes","tags":["release-notes","advisory","report"]},{"url":"https://github.com/leejo/CGI.pm/commit/6ae50ce84073b8f68a6e3750479de70d5b8f2dcf.patch","tags":["patch","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120642","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-mqfc-h2mx-w8gc"},{"url":"https://cpan.org/modules","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120642.json","tags":["advisory"]},{"url":"https://github.com/leejo/CGI.pm","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-120642","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-120642","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-120642","tags":["report"]},{"url":"https://lists.security.metacpan.org/cve-announce/msg/44874935/","tags":["report"]},{"url":"https://github.com/leejo/CGI.pm/commit/6ae50ce84073b8f68a6e3750479de70d5b8f2dcf","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120631","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120632","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120633","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120634","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120635","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120636","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120637","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120638","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120639","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120640","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120641","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120642","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120643","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120644","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120645","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120646","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120647","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120648","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120650","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-120651","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-120642","title":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-03T23:40:44.224Z","modified":"2026-11-09T19:18:09.444Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-1173"],"updated_at":"2026-11-09T20:34:41.792859Z"}],"euvd":[{"id":"EUVD-2026-116609","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-03T23:40:44Z","modified":"2026-11-09T19:18:09Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-09T20:17:59.69274Z"}],"ghsa":[{"id":"GHSA-mqfc-h2mx-w8gc","title":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe...","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-04T00:32:22Z","modified":"2026-11-09T21:32:44Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-1173"],"updated_at":"2026-11-09T21:50:05.607095Z"}],"nvd":[{"id":"CVE-2026-120642","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-04T00:17:25.65Z","modified":"2026-11-09T20:18:06.207Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-1173"],"updated_at":"2026-11-09T22:15:54.230687Z"}],"osv":[{"id":"CVE-2026-120642","title":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-03T23:40:44.224Z","modified":"2026-11-11T02:30:41.97814733Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-1173"],"updated_at":"2026-11-10T10:57:25.458985Z"},{"id":"DEBIAN-CVE-2026-120642","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.  The upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.  These values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-04T00:17:25.65Z","modified":"2026-11-10T10:00:14.362237727Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-10T10:26:30.347596Z"},{"id":"UBUNTU-CVE-2026-120642","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode. The upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on. These values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-04T00:17:00Z","modified":"2026-11-12T17:25:21.49517457Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-12T18:05:20.870791Z"},{"id":"AZL-112771","title":"CVE-2026-120642 affecting package perl-CGI 4.60-1","description":"CGI versions before 5.00 for Perl return request-derived values untainted under taint mode.\n\nThe upload filename, uploadInfo values, some path_info and script_name values, Accept results, and the name lists from url_param and cookie are returned without the taint flag, as is a cookie named expires from 4.67 on.\n\nThese values come from regex captures or hash keys, which Perl does not taint, so they pass -T checks unvalidated.","status":"published","published":"2026-11-04T00:17:25Z","modified":"2026-11-07T14:18:05.483829627Z","updated_at":"2026-11-07T14:48:11.583685Z"},{"id":"openSUSE-SU-2026:12465-1","title":"perl-CGI-5.20.0-1.1 on GA media","description":"These are all security issues fixed in the perl-CGI-5.20.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-06T00:00:00Z","modified":"2026-11-07T17:23:15.83251468Z","updated_at":"2026-11-07T17:50:39.727056Z"}]}}
