{"id":39627,"date":"2026-02-07T20:55:39","date_gmt":"2026-02-07T20:55:39","guid":{"rendered":"http:\/\/localhost\/?p=39627"},"modified":"2026-02-07T20:55:39","modified_gmt":"2026-02-07T20:55:39","slug":"wekan-activity-publication-activitiesjs-linkedboardactivitiesbleed-information-disclosure","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=39627","title":{"rendered":"WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure_CVE-2026-2207"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in WeKan up to 8.20. This issue affects some unknown processing of the file server\/publications\/activities.js of the component Activity Publication Handler. Executing a manipulation can lead to information disclosure. It is possible to launch the attack remotely. Upgrading to version 8.21 is capable of addressing this issue. This patch is called 91a936e07d2976d4246dfe834281c3aaa87f9503. You should upgrade the affected component.&#8221;,&#8221;published&#8221;:&#8221;2026-02-08T01:09:38.774Z&#8221;,&#8221;modified&#8221;:&#8221;2026-02-08T01:09:38.774Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/?id.344921\\nhttps:\/\/vuldb.com\/?ctiid.344921\\nhttps:\/\/vuldb.com\/?submit.752163\\nhttps:\/\/github.com\/wekan\/wekan\/commit\/91a936e07d2976d4246dfe834281c3aaa87f9503\\nhttps:\/\/github.com\/wekan\/wekan\/releases\/tag\/v8.21\\nhttps:\/\/github.com\/wekan\/wekan\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-2207&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-200&#8243;,&#8221;CWE-284&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;n\/a WeKan 8.0\\nn\/a WeKan 8.1\\nn\/a WeKan 8.2\\nn\/a WeKan 8.3\\nn\/a WeKan 8.4\\nn\/a WeKan 8.5\\nn\/a WeKan 8.6\\nn\/a WeKan 8.7\\nn\/a WeKan 8.8\\nn\/a WeKan 8.9\\nn\/a WeKan 8.10\\nn\/a WeKan 8.11\\nn\/a WeKan 8.12\\nn\/a WeKan 8.13\\nn\/a WeKan 8.14\\nn\/a WeKan 8.15\\nn\/a WeKan 8.16\\nn\/a WeKan 8.17\\nn\/a WeKan 8.18\\nn\/a WeKan 8.19\\nn\/a WeKan 8.20&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:6.9,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:N\/VC:L\/VI:N\/VA:N\/SC:N\/SI:N\/SA:N\/E:X&#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;WeKan&#8221;,&#8221;version&#8221;:&#8221;8.0&#8243;,&#8221;vendor&#8221;:&#8221;n\/a&#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;A weakness has been identified in WeKan up to 8.20. This issue affects some unknown processing of the file server\/publications\/activities.js of the component Activity Publication&#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":[6,8,48,12,21,13,7,11,5],"class_list":["post-39627","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-69","tag-exploit","tag-medium","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>WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure_CVE-2026-2207 - 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=39627\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure_CVE-2026-2207 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in WeKan up to 8.20. 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