MongoDB Go Driver vulnerabilities

5 CVEs affecting MongoDB Go Driver, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-107325, published 2026-10-08.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-20329, published 2021-06-10. Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days. Specific cstrings input may not be properly validated in the MongoDB Go Driver when marshalling Go objects into BSON. A malicious user could use a Go object with specific string to potentially inject…
CVE-2026-88031, published 2026-09-10. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB Go Driver can cause a caller-supplied structured file identifier to be interpreted as a query…
CVE-2026-81521, published 2026-08-27. Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days. The MongoDB Go Driver's client-level bulk write operation may accept a caller-supplied database name containing a reserved separator character without escaping it before the name is used to build the…
CVE-2026-107325, published 2026-10-08. Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days. Improper validation of a BSON array length in the MongoDB Go Driver can cause an out-of-bounds index and runtime panic when an application calls bson.RawArray.Validate or bsoncore.Array.Validate on a…
CVE-2026-107324, published 2026-10-08. Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days. An integer overflow in BSON value-length handling in the MongoDB Go Driver can cause a runtime panic when an application validates or accesses a malformed BSON document. An unauthenticated actor who…