VDB
CVE-2026-9742
CVE-2026-9742
PUBLISHED
CVSS 8.2 HIGH
Reported by mongodb · Published June 9, 2026
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.
Risk Scores
CVSS 4.0
8.2
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| MongoDB | MongoDB Server | 8.3.0, 8.2.0 |
| MongoDB | MongoDB Server | 8.3.0, 8.2.0, 8.3.0 |
Timeline
- Jun 9, 2026 CVE Published
- Jun 10, 2026 Coalition ESS Score
- Jun 10, 2026 CVE Updated
- Jun 12, 2026 Security Advisory