CVE-2026-9742
When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.2
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS probability
- 0.35%
- CWE
- CWE-1287
- Published
- 2026-06-09
- Last modified
- 2026-06-10
Affected products
- MongoDB MongoDB Server
- MongoDB MongoDB Server
Weakness type
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