{"schema_version":1,"title":"cgi (RubyGems) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in cgi (RubyGems): 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120641, was published on 4 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/technologies/cgi","json_url":"https://junglewise.ai/threats/technologies/cgi.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/cgi","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":0,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":1,"last_365_days":1},"latest":[{"cve":"CVE-2026-120641","slug":"cve-2026-120641-cgi-versions-before-5-00-for-perl-return-upload-filenames-with","title":"CGI for Perl path traversal in upload filenames","severity":"info","exploited":false,"published_at":"2026-11-04T00:17:25.527+00:00","url":"https://junglewise.ai/threats/cve-2026-120641-cgi-versions-before-5-00-for-perl-return-upload-filenames-with"},{"cve":"CVE-2025-27220","cvss":3.1,"epss":0.0076,"slug":"cve-2025-27220-cgi-has-regular-expression-denial-of-service-redos-potential-in","title":"CGI has Regular Expression Denial of Service (ReDoS) potential in Util#escapeElement","severity":"low","exploited":false,"published_at":"2025-03-03T22:05:08+00:00","url":"https://junglewise.ai/threats/cve-2025-27220-cgi-has-regular-expression-denial-of-service-redos-potential-in"},{"cve":"CVE-2025-27219","cvss":3.1,"epss":0.0085,"slug":"cve-2025-27219-cgi-has-denial-of-service-dos-potential-in-cookie-parse","title":"CGI has Denial of Service (DoS) potential in Cookie.parse","severity":"low","exploited":false,"published_at":"2025-03-03T20:53:43+00:00","url":"https://junglewise.ai/threats/cve-2025-27219-cgi-has-denial-of-service-dos-potential-in-cookie-parse"},{"cve":"CVE-2021-33621","cvss":3.1,"epss":0.0244,"slug":"cve-2021-33621-http-response-splitting-in-cgi","title":"HTTP response splitting in CGI","severity":"low","exploited":false,"published_at":"2022-11-19T00:30:55+00:00","url":"https://junglewise.ai/threats/cve-2021-33621-http-response-splitting-in-cgi"},{"cve":"CVE-2021-41819","cvss":3.1,"epss":0.0293,"slug":"cve-2021-41819-cookie-prefix-spoofing-in-cgi-cookie-parse","title":"Cookie Prefix Spoofing in CGI::Cookie.parse","severity":"low","exploited":false,"published_at":"2022-01-21T23:22:17+00:00","url":"https://junglewise.ai/threats/cve-2021-41819-cookie-prefix-spoofing-in-cgi-cookie-parse"},{"cve":"CVE-2021-41816","cvss":3.1,"epss":0.0477,"slug":"cve-2021-41816-buffer-overrun-in-cgi-escape-html","title":"Buffer overrun in CGI.escape_html","severity":"low","exploited":false,"published_at":"2021-12-14T21:36:20+00:00","url":"https://junglewise.ai/threats/cve-2021-41816-buffer-overrun-in-cgi-escape-html"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"actionpack (RubyGems)","slug":"actionpack","vulnerabilities":77,"url":"https://junglewise.ai/threats/technologies/actionpack"},{"name":"nokogiri (RubyGems)","slug":"nokogiri","vulnerabilities":69,"url":"https://junglewise.ai/threats/technologies/nokogiri"},{"name":"rack (RubyGems)","slug":"rack","vulnerabilities":55,"url":"https://junglewise.ai/threats/technologies/rack"},{"name":"activerecord (RubyGems)","slug":"rubygems-activerecord","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/rubygems-activerecord"},{"name":"rubygems-update (RubyGems)","slug":"rubygems-update","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/rubygems-update"},{"name":"puppet (RubyGems)","slug":"puppet","vulnerabilities":23,"url":"https://junglewise.ai/threats/technologies/puppet"},{"name":"activesupport (RubyGems)","slug":"activesupport","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/activesupport"},{"name":"actionview (RubyGems)","slug":"actionview","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/actionview"},{"name":"activestorage (RubyGems)","slug":"activestorage","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/activestorage"},{"name":"camaleon_cms (RubyGems)","slug":"camaleon-cms","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/camaleon-cms"},{"name":"rails-html-sanitizer (RubyGems)","slug":"rails-html-sanitizer","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/rails-html-sanitizer"},{"name":"loofah (RubyGems)","slug":"loofah","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/loofah"}],"technology":{"hub":true,"name":"cgi (RubyGems)","slug":"cgi","vendor":{"hub":true,"name":"RubyGems","slug":"rubygems","url":"https://junglewise.ai/threats/vendors/rubygems"},"aliases":[],"description":"Ruby gem providing CGI (Common Gateway Interface) support for Ruby applications.","url":"https://junglewise.ai/threats/technologies/cgi"},"most_severe":[{"cve":"CVE-2021-41816","cvss":3.1,"epss":0.0477,"slug":"cve-2021-41816-buffer-overrun-in-cgi-escape-html","title":"Buffer overrun in CGI.escape_html","severity":"low","exploited":false,"published_at":"2021-12-14T21:36:20+00:00","url":"https://junglewise.ai/threats/cve-2021-41816-buffer-overrun-in-cgi-escape-html"},{"cve":"CVE-2021-41819","cvss":3.1,"epss":0.0293,"slug":"cve-2021-41819-cookie-prefix-spoofing-in-cgi-cookie-parse","title":"Cookie Prefix Spoofing in CGI::Cookie.parse","severity":"low","exploited":false,"published_at":"2022-01-21T23:22:17+00:00","url":"https://junglewise.ai/threats/cve-2021-41819-cookie-prefix-spoofing-in-cgi-cookie-parse"},{"cve":"CVE-2021-33621","cvss":3.1,"epss":0.0244,"slug":"cve-2021-33621-http-response-splitting-in-cgi","title":"HTTP response splitting in CGI","severity":"low","exploited":false,"published_at":"2022-11-19T00:30:55+00:00","url":"https://junglewise.ai/threats/cve-2021-33621-http-response-splitting-in-cgi"},{"cve":"CVE-2025-27219","cvss":3.1,"epss":0.0085,"slug":"cve-2025-27219-cgi-has-denial-of-service-dos-potential-in-cookie-parse","title":"CGI has Denial of Service (DoS) potential in Cookie.parse","severity":"low","exploited":false,"published_at":"2025-03-03T20:53:43+00:00","url":"https://junglewise.ai/threats/cve-2025-27219-cgi-has-denial-of-service-dos-potential-in-cookie-parse"},{"cve":"CVE-2025-27220","cvss":3.1,"epss":0.0076,"slug":"cve-2025-27220-cgi-has-regular-expression-denial-of-service-redos-potential-in","title":"CGI has Regular Expression Denial of Service (ReDoS) potential in Util#escapeElement","severity":"low","exploited":false,"published_at":"2025-03-03T22:05:08+00:00","url":"https://junglewise.ai/threats/cve-2025-27220-cgi-has-regular-expression-denial-of-service-redos-potential-in"},{"cve":"CVE-2026-120641","slug":"cve-2026-120641-cgi-versions-before-5-00-for-perl-return-upload-filenames-with","title":"CGI for Perl path traversal in upload filenames","severity":"info","exploited":false,"published_at":"2026-11-04T00:17:25.527+00:00","url":"https://junglewise.ai/threats/cve-2026-120641-cgi-versions-before-5-00-for-perl-return-upload-filenames-with"}],"generated_at":"2026-11-13T03:07:00.155039+00:00"}