{"id":230569,"date":"2026-02-05T05:23:34","date_gmt":"2026-02-05T11:23:34","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/cisa-warns-of-five-year-old-gitlab-flaw-exploited-in-attacks"},"modified":"2026-02-05T05:23:34","modified_gmt":"2026-02-05T11:23:34","slug":"cisa-warns-of-five-year-old-gitlab-flaw-exploited-in-attacks","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/cisa-warns-of-five-year-old-gitlab-flaw-exploited-in-attacks","title":{"rendered":"CISA warns of five-year-old GitLab flaw exploited in attacks"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/cisa-warns-of-five-year-old-gitlab-flaw-exploited-in-attacks.jpg\"><\/a><\/p>\n<p>The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch their systems against a five-year-old GitLab vulnerability that is actively being exploited in attacks.<\/p>\n<p>GitLab patched this server-side request forgery (SSRF) flaw (tracked as <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-39935\" target=\"_blank\" rel=\"nofollow noopener\">CVE-2021\u201339935<\/a>) in <a href=\"https:\/\/about.gitlab.com\/releases\/2021\/12\/06\/security-release-gitlab-14-5-2-released\/#when-user-registration-is-limited-external-users-that-arent-developers-shouldnt-have-access-to-the-ci-lint-api\" target=\"_blank\" rel=\"nofollow noopener\">December 2021,<\/a> saying it could allow unauthenticated attackers with no privileges to access the CI Lint API, which is used to simulate pipelines and validate CI\/CD configurations.<\/p>\n<p>\u201cWhen user registration is limited, external users that aren\u2019t developers shouldn\u2019t have access to the CI Lint API,\u201d <a href=\"https:\/\/about.gitlab.com\/releases\/2021\/12\/06\/security-release-gitlab-14-5-2-released\/#when-user-registration-is-limited-external-users-that-arent-developers-shouldnt-have-access-to-the-ci-lint-api\" target=\"_blank\" rel=\"nofollow noopener\">the company said<\/a> at the time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch their systems against a five-year-old GitLab vulnerability that is actively being exploited in attacks. GitLab patched this server-side request forgery (SSRF) flaw (tracked as CVE-2021\u201339935) in December 2021, saying it could allow unauthenticated attackers with no privileges to access the CI Lint [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,1490],"tags":[],"class_list":["post-230569","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode","category-government"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=230569"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230569\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=230569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=230569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=230569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}