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CVE-2026-82068— Persistent Fatal Assertion Crash in MongoDB Server via Crafted Retryable Write Commands 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 服务器中存在一个安全漏洞，允许具有写入权限的已认证用户通过发送特制的可重试写入命令，触发一个持久性的致命断言崩溃。崩溃状态会被持久化保存，导致服务器进程在重启时反复崩溃，并可能扩散到分片集群中的其他节点。需要手动干预才能恢复服务可用性。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1030 · Data Transfer Size Limits

Affected Version Matrix 3

VendorProduct Version RangeStatus
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-2026-82068

Vulnerability Information
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Vulnerability Title
Persistent Fatal Assertion Crash in MongoDB Server via Crafted Retryable Write Commands Leads to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue in MongoDB Server allows an authenticated user with write privileges to trigger a persistent fatal assertion crash by sending specially crafted retryable write commands. The crash state is durably persisted, causing the server process to repeatedly crash on restart and potentially propagating to additional nodes in a sharded cluster. Manual intervention is required to restore service availability.
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
可达断言
Source: CVE Program / CVE List V5

Affected Products

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

II. Public POCs for CVE-2026-82068

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III. Intelligence Information for CVE-2026-82068

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Other References for CVE-2026-82068 (1)

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-2026-82075 7.5 HIGH Uncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated
CVE-2026-82064 7.5 HIGH Unauthenticated Denial of Service in MongoDB Server via Assertion Failure in Read Concern
CVE-2026-82070 6.5 MEDIUM Insufficiently Protected Credentials in MongoDB Server Diagnostic Reporting Interface
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-2026-82054 6.5 MEDIUM Uncontrolled Resource Consumption in MongoDB Server JSON Pointer Parser Leads to Denial of
CVE-2026-82055 6.5 MEDIUM Null Pointer Dereference in MongoDB Server 2dsphere Index Key Generation Leads to Denial o
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-2026-82058 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-2026-82062 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 &rarr; →

IV. Related Vulnerabilities

Same product: MongoDB Server
Same vendor: MongoDB
Same weakness: CWE-617

V. Comments for CVE-2026-82068

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