CVE-2026-9742
Description
OIDC authentication bypass in MongoDB allows unauthenticated clients to crash the server via the 'authenticate' command.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
OIDC authentication bypass in MongoDB allows unauthenticated clients to crash the server via the 'authenticate' command.
Vulnerability
When OIDC authentication is enabled, clients can send specific values in the mechanism parameter of the authenticate command, leading to a server crash. This vulnerability affects configurations where OIDC authentication is enabled. The affected versions are not explicitly listed but the Jira ticket indicates it is fixed.
Exploitation
An unauthenticated client can exploit this vulnerability by sending a crafted authenticate command with specific values in the mechanism parameter. This command can be sent over the network without requiring any prior authentication.
Impact
Successful exploitation results in a denial-of-service (DoS) condition, causing the server to crash. This prevents legitimate users from accessing the service.
Mitigation
The vulnerability has been fixed, as indicated by the Jira ticket [1]. The specific fixed version and release date are not yet disclosed in the available references. No workarounds are provided at this time.
AI Insight generated on Jun 9, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
1News mentions
0No linked articles in our index yet.