{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73303", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-11T19:42:11.451Z", "datePublished": "2026-08-12T18:51:38.748Z", "dateUpdated": "2026-08-12T18:51:38.748Z"}, "containers": {"cna": {"title": "Budibase: Email Change IDOR via POST /api/v2/email allows full Account Takeover (accountId not validated against session)", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/Budibase/budibase/security/advisories/GHSA-c8vc-7pv3-g98p", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Budibase/budibase/security/advisories/GHSA-c8vc-7pv3-g98p"}, {"name": "https://github.com/Budibase/budibase/releases/tag/3.40.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/Budibase/budibase/releases/tag/3.40.0"}], "affected": [{"vendor": "Budibase", "product": "budibase", "versions": [{"version": "< 3.40.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-12T18:51:38.748Z"}, "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."}], "source": {"advisory": "GHSA-c8vc-7pv3-g98p", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "budibase", "vendor": "Budibase", "versions": [{"status": "affected", "version": "< 3.40.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-73303", "lastModified": "2026-08-12T20:17:54.133", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.8, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-12T20:17:54.133", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Budibase/budibase/releases/tag/3.40.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Budibase/budibase/security/advisories/GHSA-c8vc-7pv3-g98p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.40.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "budibase", "source": "cna", "vendor": "Budibase"}, "product": "budibase", "vendor": "budibase"}], "created": "2026-08-12T21:30:07.727350+00:00", "updated": "2026-08-12T21:30:07.727367+00:00", "vendors": ["budibase", "budibase$PRODUCT$budibase"]}