{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54356", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-12T19:23:22.318Z", "datePublished": "2026-08-17T20:32:05.691Z", "dateUpdated": "2026-08-17T20:32:05.691Z"}, "containers": {"cna": {"title": "Budibase authenticated arbitrary S3 signed upload URL issuance via `/api/attachments/:datasourceId/url`", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/Budibase/budibase/security/advisories/GHSA-6x9p-4r67-5gjx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Budibase/budibase/security/advisories/GHSA-6x9p-4r67-5gjx"}, {"name": "https://github.com/Budibase/budibase/releases/tag/3.41.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/Budibase/budibase/releases/tag/3.41.3"}], "affected": [{"vendor": "Budibase", "product": "budibase", "versions": [{"version": "< 3.41.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T20:32:05.691Z"}, "descriptions": [{"lang": "en", "value": "Budibase is an open-source low-code platform. Prior to 3.41.3, POST /api/attachments/:datasourceId/url in packages/server/src/api/routes/static.ts and packages/server/src/api/controllers/static/index.ts allows an authenticated published-app user with the BASIC role to supply attacker-controlled bucket and key values and obtain signedUrl and publicUrl values backed by stored S3 datasource credentials. This issue is fixed in version 3.41.3."}], "source": {"advisory": "GHSA-6x9p-4r67-5gjx", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "budibase", "vendor": "Budibase", "versions": [{"status": "affected", "version": "< 3.41.3"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Budibase is an open-source low-code platform. Prior to 3.41.3, POST /api/attachments/:datasourceId/url in packages/server/src/api/routes/static.ts and packages/server/src/api/controllers/static/index.ts allows an authenticated published-app user with the BASIC role to supply attacker-controlled bucket and key values and obtain signedUrl and publicUrl values backed by stored S3 datasource credentials. This issue is fixed in version 3.41.3."}], "id": "CVE-2026-54356", "lastModified": "2026-08-17T21:16:46.063", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-17T21:16:46.063", "references": [{"source": "[email protected]", "url": "https://github.com/Budibase/budibase/releases/tag/3.41.3"}, {"source": "[email protected]", "url": "https://github.com/Budibase/budibase/security/advisories/GHSA-6x9p-4r67-5gjx"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.41.3)"}}], "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": "2026-08-17T21:30:03.547449+00:00", "updated": "2026-08-17T21:30:03.930551+00:00", "vendors": ["budibase", "budibase$PRODUCT$budibase"]}