{"id":236187,"date":"2026-04-30T02:14:56","date_gmt":"2026-04-30T07:14:56","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/04\/github-fixes-rce-flaw-that-gave-access-to-millions-of-private-repos"},"modified":"2026-04-30T02:14:56","modified_gmt":"2026-04-30T07:14:56","slug":"github-fixes-rce-flaw-that-gave-access-to-millions-of-private-repos","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/04\/github-fixes-rce-flaw-that-gave-access-to-millions-of-private-repos","title":{"rendered":"GitHub fixes RCE flaw that gave access to millions of private repos"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/github-fixes-rce-flaw-that-gave-access-to-millions-of-private-repos.jpg\"><\/a><\/p>\n<p>In early March, GitHub patched a critical remote code execution vulnerability (<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2026-3854\" rel=\"nofollow noopener\" target=\"_blank\">CVE-2026\u20133854<\/a>) that could have allowed attackers to access millions of private repositories.<\/p>\n<p>The flaw was reported on March 4, 2026, by researchers at cybersecurity firm Wiz through GitHub\u2019s bug bounty program. GitHub Chief Information Security Officer Alexis Wales <a href=\"https:\/\/github.blog\/security\/securing-the-git-push-pipeline-responding-to-a-critical-remote-code-execution-vulnerability\/\" target=\"_blank\" rel=\"nofollow noopener\">said<\/a> the company\u2019s security team reproduced and confirmed the vulnerability within 40 minutes and deployed a fix to <a href=\"http:\/\/GitHub.com\">GitHub.com<\/a> less than two hours after receiving the report.<\/p>\n<p>CVE-2026\u20133854 affects <a href=\"http:\/\/GitHub.com\">GitHub.com<\/a>, GitHub Enterprise Cloud, GitHub Enterprise Cloud with Data Residency, GitHub Enterprise Cloud with Enterprise Managed Users, and GitHub Enterprise Server.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In early March, GitHub patched a critical remote code execution vulnerability (CVE-2026\u20133854) that could have allowed attackers to access millions of private repositories. The flaw was reported on March 4, 2026, by researchers at cybersecurity firm Wiz through GitHub\u2019s bug bounty program. GitHub Chief Information Security Officer Alexis Wales said the company\u2019s security team reproduced [\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],"tags":[],"class_list":["post-236187","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/236187","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=236187"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/236187\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=236187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=236187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=236187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}