What’s Vulnerable › Vulnerabilities
CVE-2026-107325: Application denial of service via missing BSON array length validation in MongoDB Go Driver
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-08 · updated 2026-10-27
- Weakness: CWE-129
Description
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 malformed four-byte array. An unauthenticated actor who can supply raw BSON array data to an affected application may terminate an unprotected application process, causing a denial of service. No confidentiality or integrity impact has been identified.
Affected products
- MongoDB Go Driver: from 1.1.0 before 1.17.10; from 2.0.0 before 2.9.2 — fixed in 1.17.10, 2.9.2
- MongoDB Go Driver: 1.x from 1.1.0; from 2.0.0 before 2.9.2 — fixed in 2.9.2
How to fix
Upgrade to a fixed version: MongoDB Go Driver 1.17.10, 2.9.2; MongoDB Go Driver 2.9.2. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-107325 or the next vulnerability affects your stack