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CVE-2026-82054— Uncontrolled Resource Consumption in MongoDB Server JSON Pointer Parser Leads to Denial of Service

Quick assessment

Affected

MongoDB MongoDB Server

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MongoDB Server是美国MongoDB公司开源的一款面向文档的数据库系统。 MongoDB Server 8.3.0至8.3.9之前版本、8.0.0至8.0.30之前版本和7.0.0至7.0.41之前版本存在资源管理错误漏洞，该漏洞源于JSON Pointer解析器在处理find命令中特制的$jsonSchema过滤字段时，未对迭代次数和总分配大小设置充分限制，导致内存显著放大并耗尽堆内存，可能使mongod进程被终止，从而拒绝服务。

CVSS 6.5 · Medium EPSS 0.40% · P33 Updated Sep 09, 2026

Possible ATT&CK Techniques 3 AI

T1499.003 · Application Exhaustion Flood T1499 · Endpoint Denial of Service T1499.001 · OS Exhaustion Flood

Affected Version Matrix 3

Vendor	Product	Version Range	Status
MongoDB	MongoDB Server	`8.3.0< 8.3.9`	affected
		`8.0.0< 8.0.30`	affected
		`7.0.0< 7.0.41`	affected

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I. Basic Information for CVE-2026-82054

Vulnerability Information

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Vulnerability Title

Uncontrolled Resource Consumption in MongoDB Server JSON Pointer Parser Leads to Denial of Service

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

不加限制或调节的资源分配

Source: CVE Program / CVE List V5

Vulnerability Title

MongoDB Server 资源管理错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
MongoDB	MongoDB Server	8.3.0 ~ 8.3.9	-

II. Public POCs for CVE-2026-82054

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-82054

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Vendor Pages for CVE-2026-82054 (1)

🔗 [SERVER-130901] Limit JSON Pointer path depth to 255 for $jsonSchema.encryptMetadata.keyId - MongoDB Jira

https://www.cve.org/CVERecord?id=CVE-2026-82054

Same Patch Batch · MongoDB · 2026-09-08 · 24 CVEs total

CVE-2026-82061	8.1 HIGH	Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial
CVE-2026-82071	8.1 HIGH	Insufficient Validation of Storage Engine Configuration Options in MongoDB Server Leads to
CVE-2026-82053	8.1 HIGH	Improper Session Handling in MongoDB Server LDAP Authorization Integration Leads to Incorr
CVE-2026-82067	8.1 HIGH	Improper Case Sensitivity Handling in MongoDB Server Configuration Validation May Cause Au
CVE-2026-82064	7.5 HIGH	Unauthenticated Denial of Service in MongoDB Server via Assertion Failure in Read Concern
CVE-2026-82075	7.5 HIGH	Uncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated
CVE-2026-82055	6.5 MEDIUM	Null Pointer Dereference in MongoDB Server 2dsphere Index Key Generation Leads to Denial o
CVE-2026-82076	6.5 MEDIUM	Integer Overflow in Query Planner Leads to Unbounded Memory Allocation and Denial of Servi
CVE-2026-82065	6.5 MEDIUM	Insufficient Validation of Storage Configuration Options in MongoDB Server Leads to Persis
CVE-2026-82057	6.5 MEDIUM	Type Confusion in MongoDB Server WiredTiger Storage Engine via Custom Collection Configura
CVE-2026-82074	6.5 MEDIUM	Incorrect Authorization in MongoDB Server Aggregation Framework Allows Unauthorized Read A
CVE-2026-82068	6.5 MEDIUM	Persistent Fatal Assertion Crash in MongoDB Server via Crafted Retryable Write Commands Le
CVE-2026-82058	6.5 MEDIUM	Unhandled Exception in MongoDB Server JSON Schema Validation Error Generation Leads to Den
CVE-2026-82052	6.5 MEDIUM	$regexFindAll may crash mongod server when byte-matching multi-byte UTF-8 chars
CVE-2026-82073	6.5 MEDIUM	Improper Validation in MongoDB Server Aggregation Framework Allows Authorization Bypass an
CVE-2026-82070	6.5 MEDIUM	Insufficiently Protected Credentials in MongoDB Server Diagnostic Reporting Interface
CVE-2026-82062	5.5 MEDIUM	Improper Authorization in MongoDB Server applyOps Command Allows Writes to Arbitrary Inter
CVE-2026-82060	5.4 MEDIUM	Insufficient Validation of Shard Key Values in MongoDB Server Leads to Query Operator Inje
CVE-2026-82063	5.3 MEDIUM	Use-After-Free in MongoDB Server Cursor Management Component Leads to Denial of Service
CVE-2026-82056	5.3 MEDIUM	Race Condition in MongoDB Server Text Index Query Parsing Leads to Heap Use-After-Free and

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: MongoDB Server

Same vendor: MongoDB

Same weakness: CWE-770