CVE-2026-13074

Summary

An unauthenticated remote client can cause excessive CPU consumption on a MongoDB server by sending a specific combination of parameters to the awaitable hello command in exhaust mode. The server's handling of this combination results in a response loop that bypasses normal throttling, allowing a small number of connections to degrade server availability.

Affected Software

VendorProductVersion RangeStatus
MongoDBMongoDB Server7.0 < 7.0.39affected
MongoDBMongoDB Server8.0 < 8.0.28affected
MongoDBMongoDB Server8.2.0 < 8.2.12affected
MongoDBMongoDB Server8.3.0 < 8.3.7affected

Weaknesses

  • CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

References