What’s Vulnerable › Vulnerabilities
CVE-2026-106428: Out-of-bounds read in SCRAM response parsing in MongoDB C Driver
- Severity: low (CVSS 3.7 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 2026-10-08
- Weakness: CWE-125
Description
An out-of-bounds read in SCRAM authentication response parsing in the MongoDB C Driver can read one byte beyond a fixed-size buffer when processing a malformed server-final message. A server or network intermediary able to provide this message before server-signature verification can cause the application using the driver to terminate. The extra byte is not returned through the protocol.
Affected products
- MongoDB C# Driver: from 1.1.0 before 1.30.13; from 2.0.0 before 2.4.0 — fixed in 1.30.13, 2.4.0
How to fix
Upgrade to a fixed version: MongoDB C# Driver 1.30.13, 2.4.0. Check the vendor advisory for mitigations.
References
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