UpHeron
All vulnerabilities

Servers and applications

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.

Severity
High 8.2
Published
9 Jun 2026
Last changed
23 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.2.10, 8.3.3
Sources
NVD

Affected software

SoftwareAffected versions
MongoDBServers and applications · cpe:a:mongodb:mongodb
  • From 8.2.0 before 8.2.10
  • From 8.3.0 before 8.3.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-9742
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9742