{"id":"CVE-2026-62861","state":"PUBLISHED","title":"TypeBot: Cross-tenant custom-domain removal via unbound `name` in handleDeleteCustomDomain","description":"TypeBot is a chatbot builder tool. Prior to 3.18.0, any authenticated non-guest workspace member can remove another workspace's public custom domain and make typebots on that domain unavailable. The custom-domain delete handler in handleDeleteCustomDomain.ts authorizes a caller against a client-supplied workspaceId but sends the client-supplied domain name to the shared Vercel project before verifying that the domain belongs to that workspace. This issue is fixed in version 3.18.0.","publishedAt":"2026-08-25T21:46:24.861Z","updatedAt":"2026-08-27T14:35:10.158Z","severity":{"score":6.4,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["baptisteArno typebot.io"],"affected":[{"vendor":"baptisteArno","product":"typebot.io","versions":[{"version":"< 3.18.0","status":"affected"}]}],"references":["https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-7h82-p425-wpmg","https://github.com/baptisteArno/typebot.io/commit/06575dfcd461ba76071012869d4b1f4046f9a6b8","https://github.com/baptisteArno/typebot.io/releases/tag/v3.18.0"],"weaknesses":["CWE-639","CWE-862"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/62xxx/CVE-2026-62861.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62861","state":"PUBLISHED","datePublished":"2026-08-25T21:46:24.861Z","dateUpdated":"2026-08-27T14:35:10.158Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-14T21:10:50.032Z"},"containers":{"cna":{"title":"TypeBot: Cross-tenant custom-domain removal via unbound `name` in handleDeleteCustomDomain","descriptions":[{"lang":"en","value":"TypeBot is a chatbot builder tool. Prior to 3.18.0, any authenticated non-guest workspace member can remove another workspace's public custom domain and make typebots on that domain unavailable. The custom-domain delete handler in handleDeleteCustomDomain.ts authorizes a caller against a client-supplied workspaceId but sends the client-supplied domain name to the shared Vercel project before verifying that the domain belongs to that workspace. This issue is fixed in version 3.18.0."}],"affected":[{"vendor":"baptisteArno","product":"typebot.io","versions":[{"version":"< 3.18.0","status":"affected"}]}],"references":[{"url":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-7h82-p425-wpmg","name":"https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-7h82-p425-wpmg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/baptisteArno/typebot.io/commit/06575dfcd461ba76071012869d4b1f4046f9a6b8","name":"https://github.com/baptisteArno/typebot.io/commit/06575dfcd461ba76071012869d4b1f4046f9a6b8","tags":["x_refsource_MISC"]},{"url":"https://github.com/baptisteArno/typebot.io/releases/tag/v3.18.0","name":"https://github.com/baptisteArno/typebot.io/releases/tag/v3.18.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-25T21:46:24.861Z"},"source":{"advisory":"GHSA-7h82-p425-wpmg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T13:52:56.604367Z","id":"CVE-2026-62861","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T14:35:10.158Z"}}]}}}