{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63768","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-07-18T12:34:08.780Z","datePublished":"2026-07-20T19:08:21.751Z","dateUpdated":"2026-09-17T17:54:33.851Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-17T17:54:33.851Z"},"datePublic":"2026-06-30T00:00:00.000Z","title":"cal.diy 6.2.0 Conferencing OAuth Callback Open Redirect via Unsigned State","descriptions":[{"lang":"en","value":"cal.diy through 6.2.0 contains an open redirect vulnerability in the conferencing OAuth callback endpoint that allows attackers to redirect users to arbitrary URLs by crafting malicious state parameters. Attackers can exploit the unsigned state parameter and onErrorReturnTo field to silently redirect visitors from the trusted domain to attacker-controlled URLs for phishing attacks."}],"tags":["x_open-source"],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-601","description":"URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"affected":[{"vendor":"calcom","product":"cal.diy","defaultStatus":"unaffected","packageURL":"pkg:github/calcom/cal.diy","versions":[{"version":"0","status":"affected","versionType":"semver","lessThanOrEqual":"6.2.0"}],"repo":"https://github.com/calcom/cal.diy"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","version":"3.1","baseSeverity":"MEDIUM","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"}}],"references":[{"url":"https://github.com/calcom/cal.diy/issues/29679","name":"Researcher Disclosure","tags":["technical-description","exploit","issue-tracking"]},{"url":"https://github.com/calcom/cal.diy/pull/29681","name":"Pull Request","tags":["issue-tracking","patch"]},{"url":"https://www.vulncheck.com/advisories/cal-diy-conferencing-oauth-callback-open-redirect-via-unsigned-state","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-20T19:27:56.880013Z","id":"CVE-2026-63768","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-20T19:28:39.459Z"}}]}}