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CVE-2026-82054
Published:September 08, 2026
Updated:September 22, 2026
A security issue exists in MongoDB server's JSON Pointer parser used during $jsonSchema query filter processing. When a find command includes a specially crafted $jsonSchema filter field, the parser processes the input without enforcing adequate limits on iteration count or total allocation size, resulting in significant memory amplification. Under concurrent request load, the cumulative memory consumption can exhaust available heap memory, causing the server's out-of-memory handler to terminate the mongod process and deny service to all connected clients.
Affected Packages
https://github.com/mongodb/mongo.git (GITHUB):
Affected version(s) >=r7.0.0 <r7.0.41
Fix Suggestion:
Update to version r7.0.41
https://github.com/mongodb/mongo.git (GITHUB):
Affected version(s) >=r8.3.0 <r8.3.9
Fix Suggestion:
Update to version r8.3.9
https://github.com/mongodb/mongo.git (GITHUB):
Affected version(s) >=r8.0.0 <r8.0.30
Fix Suggestion:
Update to version r8.0.30
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
EPSS
Base Score:
0.28