What’s Vulnerable › Vulnerabilities
CVE-2026-9735: Keyfile contents are in MongoDB Server logs
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-09 · updated 2026-07-23
- Weakness: CWE-532
Description
MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.
Affected products
- MongoDB: from 8.3.0 before 8.3.3 — fixed in 8.3.3
How to fix
Upgrade to a fixed version: MongoDB 8.3.3. Check the vendor advisory for mitigations.
References
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