{"id":"CVE-2026-48151","state":"PUBLISHED","title":"Budibase: Webhook schema endpoint authorization bypass allows unauthenticated mutation of webhook and automation schema","description":"Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema. As a result, an unauthenticated caller can update the body schema for a known webhook and mutate the corresponding automation trigger output schema. This vulnerability is fixed in 3.39.0.","publishedAt":"2026-05-27T16:57:36.447Z","updatedAt":"2026-05-28T14:12:26.911Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["Budibase budibase"],"affected":[{"vendor":"Budibase","product":"budibase","versions":[{"version":"< 3.39.0","status":"affected"}]}],"references":["https://github.com/Budibase/budibase/security/advisories/GHSA-qhv3-wjg8-6fx6"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48151.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48151","state":"PUBLISHED","datePublished":"2026-05-27T16:57:36.447Z","dateUpdated":"2026-05-28T14:12:26.911Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-20T23:12:43.031Z"},"containers":{"cna":{"title":"Budibase: Webhook schema endpoint authorization bypass allows unauthenticated mutation of webhook and automation schema","descriptions":[{"lang":"en","value":"Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema. As a result, an unauthenticated caller can update the body schema for a known webhook and mutate the corresponding automation trigger output schema. This vulnerability is fixed in 3.39.0."}],"affected":[{"vendor":"Budibase","product":"budibase","versions":[{"version":"< 3.39.0","status":"affected"}]}],"references":[{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-qhv3-wjg8-6fx6","name":"https://github.com/Budibase/budibase/security/advisories/GHSA-qhv3-wjg8-6fx6","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-27T16:57:36.447Z"},"source":{"advisory":"GHSA-qhv3-wjg8-6fx6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-qhv3-wjg8-6fx6","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-28T14:12:21.327312Z","id":"CVE-2026-48151","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-28T14:12:26.911Z"}}]}}}