{"id":12140,"date":"2025-08-14T08:22:40","date_gmt":"2025-08-14T08:22:40","guid":{"rendered":"http:\/\/localhost\/?p=12140"},"modified":"2025-08-14T08:22:40","modified_gmt":"2025-08-14T08:22:40","slug":"authentik-has-an-insufficient-check-for-account-active-status-during-oauthsaml-authentication","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=12140","title":{"rendered":"authentik has an insufficient check for account active status during OAuth\/SAML authentication_CVE-2025-53942"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;authentik is an open-source Identity Provider that emphasizes flexibility and versatility, with support for a wide set of protocols. In versions 2025.4.4 and earlier, as well as versions 2025.6.0-rc1 through 2025.6.3, deactivated users who registered through OAuth\/SAML or linked their accounts to OAuth\/SAML providers can still retain partial access to the system despite their accounts being deactivated. They end up in a half-authenticated state where they cannot access the API but crucially they can authorize applications if they know the URL of the application. To workaround this issue, developers can add an expression policy to the user login stage on the respective authentication flow with the expression of return request.context[\\&#8221;pending_user\\&#8221;].is_active. This modification ensures that the return statement only activates the user login stage when the user is active. This issue is fixed in versions authentik 2025.4.4 and 2025.6.4.&#8221;,&#8221;published&#8221;:&#8221;2025-07-23T20:35:07.243Z&#8221;,&#8221;modified&#8221;:&#8221;2025-07-23T20:49:29.415Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;authentik has an insufficient check for account active status during OAuth\/SAML authentication&#8221;,&#8221;source&#8221;:&#8221;GitHub_M&#8221;,&#8221;references&#8221;:&#8221;https:\/\/github.com\/goauthentik\/authentik\/security\/advisories\/GHSA-9g4j-v8w5-7&#215;42\\nhttps:\/\/github.com\/goauthentik\/authentik\/commit\/7a4c6b9b50f8b837133a7a1fd2cb9b7f18a145cd\\nhttps:\/\/github.com\/goauthentik\/authentik\/commit\/c3629d12bfe3d32d3dc8f85c0ee1f087a55dde8f\\nhttps:\/\/github.com\/goauthentik\/authentik\/commit\/ce3f9e3763c1778bf3a16b98c95d10f4091436ab&#8221;,&#8221;id&#8221;:&#8221;CVE-2025-53942&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-269&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;goauthentik authentik \\u003c= 2025.4.3, \\u003c 2025.4.4\\ngoauthentik authentik \\u003e= 2025.6.0-rc1, \\u003c 2025.6.4&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:7.1,&#8221;severity&#8221;:&#8221;HIGH&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:P\/PR:N\/UI:N\/VC:N\/VI:N\/VA:N\/SC:H\/SI:H\/SA:H&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;authentik&#8221;,&#8221;version&#8221;:&#8221;\\u003c= 2025.4.3, \\u003c 2025.4.4&#8243;,&#8221;vendor&#8221;:&#8221;goauthentik&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;authentik is an open-source Identity Provider that emphasizes flexibility and versatility, with support for a wide set of protocols. In versions 2025.4.4 and earlier, as&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,50,12,15,13,7,11,5],"class_list":["post-12140","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-71","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>authentik has an insufficient check for account active status during OAuth\/SAML authentication_CVE-2025-53942 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=12140\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"authentik has an insufficient check for account active status during OAuth\/SAML authentication_CVE-2025-53942 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;authentik is an open-source Identity Provider that emphasizes flexibility and versatility, with support for a wide set of protocols. 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