{"id":"CVE-2026-73303","state":"PUBLISHED","title":"Budibase: Email Change IDOR via POST /api/v2/email allows full Account Takeover (accountId not validated against session)","description":"Budibase is an open-source low-code platform. Prior to 3.40.0, POST /api/v2/email on account.budibase.app accepted a client-controlled accountId without binding it to the authenticated session, while checking only currentEmail. An authenticated attacker who obtains a victim account identifier can start the email-change workflow for the victim, receive and submit the verification code through POST /api/v2/email/verification, move the victim email to an attacker-controlled address, and complete a password reset as the victim. This issue is fixed in version 3.40.0.","publishedAt":"2026-08-12T18:51:38.748Z","updatedAt":"2026-08-12T22:11:41.829Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["Budibase budibase"],"affected":[{"vendor":"Budibase","product":"budibase","versions":[{"version":"< 3.40.0","status":"affected"}]}],"references":["https://github.com/Budibase/budibase/security/advisories/GHSA-c8vc-7pv3-g98p","https://github.com/Budibase/budibase/releases/tag/3.40.0"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73303.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73303","state":"PUBLISHED","datePublished":"2026-08-12T18:51:38.748Z","dateUpdated":"2026-08-12T22:11:41.829Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-11T19:42:11.451Z"},"containers":{"cna":{"title":"Budibase: Email Change IDOR via POST /api/v2/email allows full Account Takeover (accountId not validated against session)","descriptions":[{"lang":"en","value":"Budibase is an open-source low-code platform. Prior to 3.40.0, POST /api/v2/email on account.budibase.app accepted a client-controlled accountId without binding it to the authenticated session, while checking only currentEmail. An authenticated attacker who obtains a victim account identifier can start the email-change workflow for the victim, receive and submit the verification code through POST /api/v2/email/verification, move the victim email to an attacker-controlled address, and complete a password reset as the victim. This issue is fixed in version 3.40.0."}],"affected":[{"vendor":"Budibase","product":"budibase","versions":[{"version":"< 3.40.0","status":"affected"}]}],"references":[{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-c8vc-7pv3-g98p","name":"https://github.com/Budibase/budibase/security/advisories/GHSA-c8vc-7pv3-g98p","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/Budibase/budibase/releases/tag/3.40.0","name":"https://github.com/Budibase/budibase/releases/tag/3.40.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-12T18:51:38.748Z"},"source":{"advisory":"GHSA-c8vc-7pv3-g98p","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T22:08:59.202420Z","id":"CVE-2026-73303","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T22:11:41.829Z"}}]}}}