{"items":[{"id":"NVI-00015008","kind":"vulnerability","title":" Budibase: Server Filesystem Existence/Read Oracle via Builder-Controlled MongoDB tlsCertificateKeyFile","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-ppr4-5f46-j9c6","CVE-2026-73409"],"plain_summary":"GitHub lists this reviewed advisory for @budibase/server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-023c5e0d63477d36a47c4285af0a9924"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-08T20:56:50.520Z","value":"5.1 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6334163d1d3ff7c9eb4589e95c81e7ae"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.319%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.25036. Missing scores are unknown.","source_id":"sr-023c5e0d63477d36a47c4285af0a9924"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-071ad87c9708e2ef47e36b0f894674ed","url":"https://github.com/advisories/GHSA-ppr4-5f46-j9c6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-ppr4-5f46-j9c6","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"},{"id":"sr-6334163d1d3ff7c9eb4589e95c81e7ae","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73409","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-73409","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T19:45:24.870Z"},{"id":"sr-023c5e0d63477d36a47c4285af0a9924","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-73409","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.397Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-071ad87c9708e2ef47e36b0f894674ed"],"technology":"@budibase/server","known_exclusions":[],"conditions_summary":"## Summary\nWhen creating a MongoDB datasource, Budibase passes the `tlsCertificateKeyFile` and `tlsCAFile` fields straight to the MongoDB driver as server-side file paths. On Budibase Cloud a customer cannot place files on the server, so these fields only let a builder reference arbitrary absolute paths on the underlying multi-tenant server. When the datasource is verified, the driver performs a real filesystem read of that path, and the error differs by file state, turning `/api/datasources/verify` into an arbitrary-path existence/read oracle over the whole server filesystem.\n\n## Root Cause\n`packages/server/src/integrations/mongodb.ts` passes `config.tlsCertificateKeyFile` / `config.tlsCAFile` directly to `new MongoClient(config.connectionString, options)` as filesystem paths, with no allow-list, no confinement to a certificates directory, and no rejection of absolute / `..` paths.\n\nPOC \n## Reproduction — paste each line, press Enter\n\nLine 1 (existing file — proves the file is READ):\n```\ncurl -s -X POST \"https://hasinocompany.budibase.app/api/datasources/verify\" -H \"Cookie: budibase:auth=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzZXNzaW9uSWQiOiJlNDYzZTM0Ni1hZmQ2LTQwNDEtODNmMS1hYmNlN","public_affected_ranges":["<= 3.38.1"]}],"null_published_at":"2026-11-08T19:53:44.063Z","source_updated_at":"2026-08-12T19:20:06.000Z","source_disclosed_at":"2026-07-24T21:16:41.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T20:17:12.848Z"},{"id":"NVI-00015008","kind":"vulnerability","title":" Budibase: Server Filesystem Existence/Read Oracle via Builder-Controlled MongoDB tlsCertificateKeyFile","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-ppr4-5f46-j9c6","CVE-2026-73409"],"plain_summary":"GitHub lists this reviewed advisory for @budibase/server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-023c5e0d63477d36a47c4285af0a9924"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.319%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.25036. Missing scores are unknown.","source_id":"sr-023c5e0d63477d36a47c4285af0a9924"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-071ad87c9708e2ef47e36b0f894674ed","url":"https://github.com/advisories/GHSA-ppr4-5f46-j9c6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-ppr4-5f46-j9c6","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"},{"id":"sr-023c5e0d63477d36a47c4285af0a9924","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-73409","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.397Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-071ad87c9708e2ef47e36b0f894674ed"],"technology":"@budibase/server","known_exclusions":[],"conditions_summary":"## Summary\nWhen creating a MongoDB datasource, Budibase passes the `tlsCertificateKeyFile` and `tlsCAFile` fields straight to the MongoDB driver as server-side file paths. On Budibase Cloud a customer cannot place files on the server, so these fields only let a builder reference arbitrary absolute paths on the underlying multi-tenant server. When the datasource is verified, the driver performs a real filesystem read of that path, and the error differs by file state, turning `/api/datasources/verify` into an arbitrary-path existence/read oracle over the whole server filesystem.\n\n## Root Cause\n`packages/server/src/integrations/mongodb.ts` passes `config.tlsCertificateKeyFile` / `config.tlsCAFile` directly to `new MongoClient(config.connectionString, options)` as filesystem paths, with no allow-list, no confinement to a certificates directory, and no rejection of absolute / `..` paths.\n\nPOC \n## Reproduction — paste each line, press Enter\n\nLine 1 (existing file — proves the file is READ):\n```\ncurl -s -X POST \"https://hasinocompany.budibase.app/api/datasources/verify\" -H \"Cookie: budibase:auth=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzZXNzaW9uSWQiOiJlNDYzZTM0Ni1hZmQ2LTQwNDEtODNmMS1hYmNlN","public_affected_ranges":["<= 3.38.1"]}],"null_published_at":"2026-11-07T07:07:42.524Z","source_updated_at":"2026-08-12T19:20:06.000Z","source_disclosed_at":"2026-07-24T21:16:41.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-02T20:17:12.848Z"},{"id":"NVI-00015008","kind":"vulnerability","title":" Budibase: Server Filesystem Existence/Read Oracle via Builder-Controlled MongoDB tlsCertificateKeyFile","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-ppr4-5f46-j9c6","CVE-2026-73409"],"plain_summary":"GitHub lists this reviewed advisory for @budibase/server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-071ad87c9708e2ef47e36b0f894674ed"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-071ad87c9708e2ef47e36b0f894674ed","url":"https://github.com/advisories/GHSA-ppr4-5f46-j9c6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-ppr4-5f46-j9c6","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-071ad87c9708e2ef47e36b0f894674ed"],"technology":"@budibase/server","known_exclusions":[],"conditions_summary":"## Summary\nWhen creating a MongoDB datasource, Budibase passes the `tlsCertificateKeyFile` and `tlsCAFile` fields straight to the MongoDB driver as server-side file paths. On Budibase Cloud a customer cannot place files on the server, so these fields only let a builder reference arbitrary absolute paths on the underlying multi-tenant server. When the datasource is verified, the driver performs a real filesystem read of that path, and the error differs by file state, turning `/api/datasources/verify` into an arbitrary-path existence/read oracle over the whole server filesystem.\n\n## Root Cause\n`packages/server/src/integrations/mongodb.ts` passes `config.tlsCertificateKeyFile` / `config.tlsCAFile` directly to `new MongoClient(config.connectionString, options)` as filesystem paths, with no allow-list, no confinement to a certificates directory, and no rejection of absolute / `..` paths.\n\nPOC \n## Reproduction — paste each line, press Enter\n\nLine 1 (existing file — proves the file is READ):\n```\ncurl -s -X POST \"https://hasinocompany.budibase.app/api/datasources/verify\" -H \"Cookie: budibase:auth=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzZXNzaW9uSWQiOiJlNDYzZTM0Ni1hZmQ2LTQwNDEtODNmMS1hYmNlN","public_affected_ranges":["<= 3.38.1"]}],"null_published_at":"2026-11-03T10:03:26.533Z","source_updated_at":"2026-08-12T19:20:06.000Z","source_disclosed_at":"2026-07-24T21:16:41.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T20:17:12.848Z"}],"next_cursor":null,"snapshot_revision":"42594"}