CVE-2026-9742 (GCVE-0-2026-9742)

Vulnerability from cvelistv5 – Published: 2026-06-09 21:57 – Updated: 2026-06-10 13:22
VLAI?
Title
Authenticate command with specific mechanism parameter can trigger server crash
Summary
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.
Severity ?
8.2 (High)
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
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper validation of specified type of input
Assigner
References
Impacted products
Vendor Product Version
MongoDB MongoDB Server Affected: 8.3.0 , < 8.3.3 (custom)
Affected: 8.2.0 , < 8.2.10 (custom)
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