{"schema":"threatline.record/2","record":{"id":"CVE-2026-106438","aliases":[],"summary":"Silent Decimal128 value corruption via incorrect exactness check in MongoDB C Driver","details":"An incorrect calculation in Decimal128 string parsing in the MongoDB C Driver can accept certain over-precision inputs containing leading zeros instead of rejecting them. This produces a value different from the supplied text. An actor who can provide a decimal string to an embedding application, including through Extended JSON parsing, can cause the application to store or use an incorrect numeric value.","categories":["Databases"],"product":"C Driver","vendor":"MongoDB","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-106438","source_modified_at":"2026-10-08T19:21:43.595Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"C Driver","vendor":"MongoDB","versions":[{"status":"affected","version":"1.4.0","lessThan":"1.30.13","versionType":"semver"},{"status":"affected","version":"2.0.0","lessThan":"2.5.6","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-106438","source_modified_at":"2026-10-08T19:21:43.595Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"C Driver","ecosystem":null},"version":"1.30.13","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-106438","source_modified_at":"2026-10-08T19:21:43.595Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"C Driver","ecosystem":null},"version":"2.5.6","basis":"first unaffected version stated in the CVE record"}],"cvss":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00108,"percentile":0.01146,"score_date":"2026-10-23"},"published_at":"2026-10-08T18:44:05.629Z","modified_at":"2026-10-08T19:21:43.595Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-106438","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-08T19:21:43.595Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-106438","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://jira.mongodb.org/browse/CDRIVER-6419"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-08T19:20:37.671135Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-08T19:21:43.595Z","content_hash":"36d5253c9e94f08d459f70715818388418ef6a3565f16b82b6af74ed7e93e450"}}