{"id":"CVE-2026-100688","state":"PUBLISHED","title":"Budibase server before 3.45.0 Cross-Tenant Information Disclosure","description":"Budibase server before 3.45.0 contains a cross-tenant information disclosure vulnerability in the GET /api/applications/:appId/appPackage endpoint that allows authenticated users to read another tenant's application metadata and source code. Attackers can supply a victim tenant's app id to retrieve sensitive application details including navigation structure, role names, internal screen URLs, JavaScript snippets, and user identifiers without authorization checks.","publishedAt":"2026-09-26T13:23:48.061Z","updatedAt":"2026-10-08T15:21:58.977Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["budibase server"],"affected":[{"vendor":"budibase","product":"server","packageURL":"pkg:npm/%40budibase/server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.45.0","versionType":"semver"},{"version":"3.45.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5","https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-cross-tenant-information-disclosure"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/100xxx/CVE-2026-100688.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-100688","state":"PUBLISHED","datePublished":"2026-09-26T13:23:48.061Z","dateUpdated":"2026-10-08T15:21:58.977Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-26T02:37:41.037Z"},"containers":{"cna":{"title":"Budibase server before 3.45.0 Cross-Tenant Information Disclosure","descriptions":[{"lang":"en","value":"Budibase server before 3.45.0 contains a cross-tenant information disclosure vulnerability in the GET /api/applications/:appId/appPackage endpoint that allows authenticated users to read another tenant's application metadata and source code. Attackers can supply a victim tenant's app id to retrieve sensitive application details including navigation structure, role names, internal screen URLs, JavaScript snippets, and user identifiers without authorization checks."}],"affected":[{"vendor":"budibase","product":"server","packageURL":"pkg:npm/%40budibase/server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.45.0","versionType":"semver"},{"version":"3.45.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-4946-qf2m-wrh5)"},{"url":"https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-cross-tenant-information-disclosure","name":"VulnCheck Advisory: Budibase server before 3.45.0 Cross-Tenant Information Disclosure","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:21:58.977Z"},"datePublic":"2026-09-10T00:00:00.000Z","credits":[{"lang":"en","value":"Hasinohacker","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/Budibase/budibase/security/advisories/GHSA-4946-qf2m-wrh5","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-28T16:37:05.955451Z","id":"CVE-2026-100688","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T16:38:07.249Z"}}]}}}