{"id":56555,"date":"2026-05-24T00:24:12","date_gmt":"2026-05-24T00:24:12","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=56555"},"modified":"2026-05-24T00:24:12","modified_gmt":"2026-05-24T00:24:12","slug":"calcom-caldiy-generic-react-api-bookings-single-viewgetserversidepropstsx-getserversideprops-informa","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=56555","title":{"rendered":"calcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosure_CVE-2026-9349"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was determined in calcom cal.diy up to 4.9.4. Affected by this issue is the function getServerSideProps of the file apps\/web\/modules\/bookings\/views\/bookings-single-view.getServerSideProps.tsx of the component Generic React API. This manipulation of the argument cancelledBy\/rescheduledBy causes information disclosure. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.&#8221;,&#8221;published&#8221;:&#8221;2026-05-24T02:30:11.039Z&#8221;,&#8221;modified&#8221;:&#8221;2026-05-24T02:30:11.039Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;calcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosure&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/365312\\nhttps:\/\/vuldb.com\/vuln\/365312\/cti\\nhttps:\/\/vuldb.com\/submit\/812177\\nhttps:\/\/gist.github.com\/YLChen-007\/b59c44d1550c4b0f373ca4eb1c150994&#8243;,&#8221;id&#8221;:&#8221;CVE-2026-9349&#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;calcom cal.diy 4.9.0\\ncalcom cal.diy 4.9.1\\ncalcom cal.diy 4.9.2\\ncalcom cal.diy 4.9.3\\ncalcom cal.diy 4.9.4&#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:P&#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;cal.diy&#8221;,&#8221;version&#8221;:&#8221;4.9.0&#8243;,&#8221;vendor&#8221;:&#8221;calcom&#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 vulnerability was determined in calcom cal.diy up to 4.9.4. Affected by this issue is the function getServerSideProps of the file apps\/web\/modules\/bookings\/views\/bookings-single-view.getServerSideProps.tsx of the component&#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-56555","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>calcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosure_CVE-2026-9349 - 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=56555\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"calcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosure_CVE-2026-9349 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was determined in calcom cal.diy up to 4.9.4. 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