# MongoDB C Driver vulnerabilities Source: https://junglewise.ai/threats/technologies/c-driver Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/c-driver.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 41 vulnerabilities in MongoDB C Driver: 1 in the last 7 days and 37 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126982, was published on 13 November 2026. 15 vulnerabilities in the last four weeks, up 150% on the four before (6). ## Counts - Last 7 days: 1 - Last 30 days: 16 - Last 90 days: 37 - All time: 41 (0 critical, 0 exploited in the wild) ## About MongoDB C Driver MongoDB client driver for the C programming language. ## Latest MongoDB C Driver vulnerabilities - [CVE-2026-126982: MongoDB C# Driver BSON type allow-list bypass](https://junglewise.ai/threats/cve-2026-126982-a-type-allow-list-bypass-in-the-bson-serialization-library-of) (high, CVSS 7.5, published 13 Nov 2026) - [CVE-2026-120956: MongoDB C Driver namespace field validation bypass](https://junglewise.ai/threats/cve-2026-120956-the-mongodb-c-driver-does-not-validate-the-type-or-format-of-a) (high, CVSS 7.1, published 3 Nov 2026) - [CVE-2026-120955: MongoDB C Driver GridFS file download denial of service](https://junglewise.ai/threats/cve-2026-120955-the-gridfs-file-download-api-in-the-mongodb-c-driver-does-not) (high, CVSS 7.5, published 3 Nov 2026) - [CVE-2026-120684: MongoDB C Driver memory-initialization flaw in GridFS](https://junglewise.ai/threats/cve-2026-120684-a-memory-initialization-flaw-in-the-legacy-gridfs-file-handling) (medium, CVSS 6.5, published 3 Nov 2026) - [CVE-2026-120678: MongoDB C Driver memory leak in compressed responses](https://junglewise.ai/threats/cve-2026-120678-a-memory-management-flaw-in-the-mongodb-c-driver-s-handling-of) (high, CVSS 7.5, published 3 Nov 2026) - [CVE-2026-114654: MongoDB C# Driver BSON numeric type conversion in binary subtype](https://junglewise.ai/threats/cve-2026-114654-a-numeric-type-conversion-flaw-in-the-bson-handling-library-of) (medium, CVSS 6.5, published 22 Oct 2026) - [CVE-2026-114653: MongoDB C# Driver client-side encryption bypass in CSFLE schema](https://junglewise.ai/threats/cve-2026-114653-a-client-side-encryption-schema-construction-component-in-the) (medium, CVSS 6.5, published 22 Oct 2026) - [CVE-2026-114652: MongoDB C# Driver update operator injection in list rewriting](https://junglewise.ai/threats/cve-2026-114652-a-data-query-logic-neutralization-weakness-in-the-update) (medium, CVSS 6.5, published 22 Oct 2026) - [CVE-2026-114651: MongoDB C# Driver memory leak in BSON deserialization](https://junglewise.ai/threats/cve-2026-114651-a-memory-handling-weakness-in-the-bson-deserialization-component) (medium, CVSS 4, published 22 Oct 2026) - [CVE-2026-114649: MongoDB C# Driver X.509 certificate identity spoofing via issuer-serial comparison](https://junglewise.ai/threats/cve-2026-114649-the-mongodb-c-driver-compares-tls-client-certificates-by-issuer) (medium, CVSS 6.8, published 22 Oct 2026) - [CVE-2026-114648: MongoDB C# Driver LINQ field-path injection via unvalidated dictionary keys](https://junglewise.ai/threats/cve-2026-114648-the-mongodb-c-driver-does-not-neutralize-dot-and-dollar) (high, CVSS 7.6, published 22 Oct 2026) - [CVE-2026-114647: MongoDB C# Driver NoSQL injection in FindOneAndReplace](https://junglewise.ai/threats/cve-2026-114647-the-mongodb-c-driver-does-not-reject-replacement-documents-whose) (medium, CVSS 4.3, published 22 Oct 2026) - [CVE-2026-114646: MongoDB C# Driver BSON length validation bypass](https://junglewise.ai/threats/cve-2026-114646-a-data-validation-flaw-exists-in-the-bson-handling-and-binary) (medium, CVSS 6.5, published 22 Oct 2026) - [CVE-2026-114645: MongoDB C Driver integer wraparound in Kerberos/SSPI authentication](https://junglewise.ai/threats/cve-2026-114645-a-32-bit-integer-wraparound-in-the-mongodb-c-driver-s-windows) (medium, CVSS 5.2, published 22 Oct 2026) - [CVE-2026-114644: MongoDB C# Driver BSON memory exhaustion via unbounded symbol interning](https://junglewise.ai/threats/cve-2026-114644-the-mongodb-c-driver-s-bson-library-contains-an-uncontrolled) (medium, CVSS 5.9, published 22 Oct 2026) - [CVE-2026-114643: MongoDB C# Driver GeoJSON field name collision injection](https://junglewise.ai/threats/cve-2026-114643-the-mongodb-c-driver-writes-geojson-extra-members-without) (medium, CVSS 5.4, published 22 Oct 2026) - [CVE-2026-106438: MongoDB C Driver Decimal128 parsing over-precision bypass](https://junglewise.ai/threats/cve-2026-106438-an-incorrect-calculation-in-decimal128-string-parsing-in-the) (medium, CVSS 4, published 8 Oct 2026) - [CVE-2026-106437: MongoDB C Driver BSON buffer underflow in bson_reserve_buffer](https://junglewise.ai/threats/cve-2026-106437-the-bson-buffer-reservation-api-in-the-mongodb-c-driver-can) (medium, CVSS 6.2, published 8 Oct 2026) - [CVE-2026-96746: MongoDB C Driver out-of-bounds write in connection monitoring](https://junglewise.ai/threats/cve-2026-96746-an-out-of-bounds-write-in-the-connection-monitoring-logic-of-the) (medium, CVSS 6.5, published 24 Sep 2026) - [CVE-2026-93395: libbson integer underflow in BSON parsing](https://junglewise.ai/threats/cve-2026-93395-libbson-integer-underflow-in-bson-parsing) (medium, CVSS 5.3, published 17 Sep 2026) - [CVE-2026-93394: MongoDB libmongoc SCRAM authentication nonce validation bypass](https://junglewise.ai/threats/cve-2026-93394-mongodb-libmongoc-scram-authentication-nonce-validation-bypass) (low, CVSS 3.7, published 17 Sep 2026) - [CVE-2026-93393: MongoDB C Driver heap overflow in TLS transport layer](https://junglewise.ai/threats/cve-2026-93393-mongodb-c-driver-heap-overflow-in-tls-transport-layer) (high, CVSS 8.1, published 17 Sep 2026) - [CVE-2026-88036: MongoDB C Driver GridFS improper query construction](https://junglewise.ai/threats/cve-2026-88036-mongodb-c-driver-gridfs-improper-query-construction) (high, CVSS 8.3, published 10 Sep 2026) - [CVE-2026-88035: MongoDB C Driver integer overflow in SASL authentication](https://junglewise.ai/threats/cve-2026-88035-mongodb-c-driver-integer-overflow-in-sasl-authentication) (medium, CVSS 4.7, published 10 Sep 2026) - [CVE-2026-88034: MongoDB C++ Driver GridFS injection in file identifier query](https://junglewise.ai/threats/cve-2026-88034-mongodb-c-driver-gridfs-injection-in-file-identifier-query) (high, CVSS 8.3, published 10 Sep 2026) ## Most severe MongoDB C Driver vulnerabilities - [CVE-2026-88036: MongoDB C Driver GridFS improper query construction](https://junglewise.ai/threats/cve-2026-88036-mongodb-c-driver-gridfs-improper-query-construction) (high, CVSS 8.3, published 10 Sep 2026) - [CVE-2026-88025: MongoDB C# Driver GridFS query injection](https://junglewise.ai/threats/cve-2026-88025-mongodb-c-driver-gridfs-query-injection) (high, CVSS 8.3, published 10 Sep 2026) - [CVE-2026-88034: MongoDB C++ Driver GridFS injection in file identifier query](https://junglewise.ai/threats/cve-2026-88034-mongodb-c-driver-gridfs-injection-in-file-identifier-query) (high, CVSS 8.3, published 10 Sep 2026) - [CVE-2026-93393: MongoDB C Driver heap overflow in TLS transport layer](https://junglewise.ai/threats/cve-2026-93393-mongodb-c-driver-heap-overflow-in-tls-transport-layer) (high, CVSS 8.1, published 17 Sep 2026) - [CVE-2026-81522: MongoDB C++ Driver namespace validation bypass](https://junglewise.ai/threats/cve-2026-81522-mongodb-c-driver-namespace-validation-bypass) (high, CVSS 8.1, published 27 Aug 2026) - [CVE-2026-6691: MongoDB C Driver heap buffer overflow in Cyrus SASL integration](https://junglewise.ai/threats/cve-2026-6691-mongodb-c-driver-heap-buffer-overflow-in-cyrus-sasl-integration) (high, CVSS 7.8, published 6 May 2026) - [CVE-2026-114648: MongoDB C# Driver LINQ field-path injection via unvalidated dictionary keys](https://junglewise.ai/threats/cve-2026-114648-the-mongodb-c-driver-does-not-neutralize-dot-and-dollar) (high, CVSS 7.6, published 22 Oct 2026) - [CVE-2026-126982: MongoDB C# Driver BSON type allow-list bypass](https://junglewise.ai/threats/cve-2026-126982-a-type-allow-list-bypass-in-the-bson-serialization-library-of) (high, CVSS 7.5, published 13 Nov 2026) - [CVE-2026-120955: MongoDB C Driver GridFS file download denial of service](https://junglewise.ai/threats/cve-2026-120955-the-gridfs-file-download-api-in-the-mongodb-c-driver-does-not) (high, CVSS 7.5, published 3 Nov 2026) - [CVE-2026-120678: MongoDB C Driver memory leak in compressed responses](https://junglewise.ai/threats/cve-2026-120678-a-memory-management-flaw-in-the-mongodb-c-driver-s-handling-of) (high, CVSS 7.5, published 3 Nov 2026) ## Vulnerabilities per week 15 vulnerabilities in the last four weeks, up 150% on the four before (6). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 6 | 0 | 0 | | 31 Aug 2026 | 4 | 0 | 0 | | 7 Sep 2026 | 5 | 0 | 0 | | 14 Sep 2026 | 3 | 0 | 0 | | 21 Sep 2026 | 1 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 2 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 11 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 4 | 0 | 0 | | 9 Nov 2026 | 1 | 0 | 0 | ## Other MongoDB technologies - [MongoDB Server](https://junglewise.ai/threats/technologies/mongodb-server): 86 vulnerabilities - [MongoDB](https://junglewise.ai/threats/technologies/mongodb): 25 vulnerabilities - [MongoDB Connector for BI](https://junglewise.ai/threats/technologies/connector-for-bi): 8 vulnerabilities - [MongoDB Bi Connector Odbc Driver](https://junglewise.ai/threats/technologies/bi-connector-odbc-driver): 7 vulnerabilities - [MongoDB Mongoid](https://junglewise.ai/threats/technologies/mongoid): 7 vulnerabilities - [MongoDB PHP Driver](https://junglewise.ai/threats/technologies/php-driver): 7 vulnerabilities - [MongoDB Compass](https://junglewise.ai/threats/technologies/compass): 6 vulnerabilities - [MongoDB Libmongocrypt](https://junglewise.ai/threats/technologies/libmongocrypt): 6 vulnerabilities - [MongoDB Python Driver](https://junglewise.ai/threats/technologies/mongodb-python-driver): 6 vulnerabilities - [MongoDB Go Driver](https://junglewise.ai/threats/technologies/go-driver): 5 vulnerabilities - [MongoDB Mongo-Express](https://junglewise.ai/threats/technologies/mongo-express): 5 vulnerabilities - [MongoDB Node.js Driver](https://junglewise.ai/threats/technologies/node-js-driver): 5 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "MongoDB C Driver vulnerabilities", https://junglewise.ai/threats/technologies/c-driver, 13 November 2026.