{
  "fix": "MongoDB 8.3.11",
  "url": "https://patchblox.com/security/fix/windows-app/mongodb.server-8.3.11",
  "summary": "MongoDB 8.3.11, released September 9, 2026, fixes 48 CVEs in MongoDB. None of them is reported as exploited. Patch Radar priority: Urgent. The latest MongoDB is 9.0.4, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "MongoDB 8.3.11",
  "released": "2026-09-09T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-82067, rated Critical",
  "supported": true,
  "cveCount": 48,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00575,
  "maxCvss": 9.2,
  "appliesTo": [
    {
      "product": "MongoDB",
      "productUrl": "https://patchblox.com/security/product/windows-app/mongodb",
      "fixedVersion": "8.3.11",
      "latestVersion": "9.0.4",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "MongoDB",
    "latestVersion": "9.0.4",
    "productUrl": "https://patchblox.com/security/product/windows-app/mongodb"
  },
  "cves": [
    {
      "cveId": "CVE-2026-82067",
      "url": "https://patchblox.com/security/cve/CVE-2026-82067",
      "title": "Improper Case Sensitivity Handling in MongoDB Server Configuration Validation May Cause Authorization to Remain Disabled at Startup",
      "priority": "Urgent",
      "cvss": 9.2,
      "epss": 0.00505,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18691",
      "url": "https://patchblox.com/security/cve/CVE-2026-18691",
      "title": "Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure",
      "priority": "Urgent",
      "cvss": 9,
      "epss": 0.00355,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18692",
      "url": "https://patchblox.com/security/cve/CVE-2026-18692",
      "title": "Use-After-Free in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potential Remote Code Execution",
      "priority": "High",
      "cvss": 7.7,
      "epss": 0.00575,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82071",
      "url": "https://patchblox.com/security/cve/CVE-2026-82071",
      "title": "Insufficient Validation of Storage Engine Configuration Options in MongoDB Server Leads to Out-of-Bounds Write",
      "priority": "High",
      "cvss": 7.2,
      "epss": 0.0054,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82061",
      "url": "https://patchblox.com/security/cve/CVE-2026-82061",
      "title": "Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.2,
      "epss": 0.00525,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82064",
      "url": "https://patchblox.com/security/cve/CVE-2026-82064",
      "title": "Unauthenticated Denial of Service in MongoDB Server via Assertion Failure in Read Concern Processing on Replica Set Members",
      "priority": "High",
      "cvss": 8.7,
      "epss": 0.00519,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82075",
      "url": "https://patchblox.com/security/cve/CVE-2026-82075",
      "title": "Uncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated Denial of Service",
      "priority": "High",
      "cvss": 8.7,
      "epss": 0.00519,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82052",
      "url": "https://patchblox.com/security/cve/CVE-2026-82052",
      "title": "$regexFindAll may crash mongod server when byte-matching multi-byte UTF-8 chars",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00497,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18711",
      "url": "https://patchblox.com/security/cve/CVE-2026-18711",
      "title": "Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential Memory Disclosure",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00494,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18706",
      "url": "https://patchblox.com/security/cve/CVE-2026-18706",
      "title": "Use-After-Free in MongoDB $graphLookup Aggregation Stage Leads to Denial of Service and Potential Remote Code Execution",
      "priority": "High",
      "cvss": 7.5,
      "epss": 0.00467,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82062",
      "url": "https://patchblox.com/security/cve/CVE-2026-82062",
      "title": "Improper Authorization in MongoDB Server applyOps Command Allows Writes to Arbitrary Internal Storage Tables via Feature Gate Bypass",
      "priority": "High",
      "cvss": 7,
      "epss": 0.00454,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18697",
      "url": "https://patchblox.com/security/cve/CVE-2026-18697",
      "title": "Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial of Service on mongos",
      "priority": "High",
      "cvss": 8.7,
      "epss": 0.0044,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82057",
      "url": "https://patchblox.com/security/cve/CVE-2026-82057",
      "title": "Type Confusion in MongoDB Server WiredTiger Storage Engine via Custom Collection Configuration Leads to Persistent Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.0042,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82053",
      "url": "https://patchblox.com/security/cve/CVE-2026-82053",
      "title": "Improper Session Handling in MongoDB Server LDAP Authorization Integration Leads to Incorrect Role Assignment",
      "priority": "High",
      "cvss": 7.6,
      "epss": 0.00412,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82076",
      "url": "https://patchblox.com/security/cve/CVE-2026-82076",
      "title": "Integer Overflow in Query Planner Leads to Unbounded Memory Allocation and Denial of Service in MongoDB Server",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00412,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18690",
      "url": "https://patchblox.com/security/cve/CVE-2026-18690",
      "title": "Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections",
      "priority": "High",
      "cvss": 7.2,
      "epss": 0.00406,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18695",
      "url": "https://patchblox.com/security/cve/CVE-2026-18695",
      "title": "Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18701",
      "url": "https://patchblox.com/security/cve/CVE-2026-18701",
      "title": "Type Confusion in MongoDB Query Subsystem Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82054",
      "url": "https://patchblox.com/security/cve/CVE-2026-82054",
      "title": "Uncontrolled Resource Consumption in MongoDB Server JSON Pointer Parser Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82055",
      "url": "https://patchblox.com/security/cve/CVE-2026-82055",
      "title": "Null Pointer Dereference in MongoDB Server 2dsphere Index Key Generation Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82058",
      "url": "https://patchblox.com/security/cve/CVE-2026-82058",
      "title": "Unhandled Exception in MongoDB Server JSON Schema Validation Error Generation Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82065",
      "url": "https://patchblox.com/security/cve/CVE-2026-82065",
      "title": "Insufficient Validation of Storage Configuration Options in MongoDB Server Leads to Persistent Denial of Service via Corrupted Metadata",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82068",
      "url": "https://patchblox.com/security/cve/CVE-2026-82068",
      "title": "Persistent Fatal Assertion Crash in MongoDB Server via Crafted Retryable Write Commands Leads to Denial of Service",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18696",
      "url": "https://patchblox.com/security/cve/CVE-2026-18696",
      "title": "Improper Authorization in MongoDB applyOps Command Handling Allows Unauthorized DDL Operations on Collections",
      "priority": "High",
      "cvss": 7,
      "epss": 0.004,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18688",
      "url": "https://patchblox.com/security/cve/CVE-2026-18688",
      "title": "Out-of-Bounds Read in MongoDB Aggregation Framework Leads to Denial of Service and Potential Memory Disclosure",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18694",
      "url": "https://patchblox.com/security/cve/CVE-2026-18694",
      "title": "Out-of-Bounds Read in MongoDB Geospatial Query Processing Leads to Denial of Service and Potential Memory Disclosure",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18705",
      "url": "https://patchblox.com/security/cve/CVE-2026-18705",
      "title": "Improper Authorization in MongoDB Atlas Vector Search Allows Unauthorized Access to Protected View Data",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00363,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82073",
      "url": "https://patchblox.com/security/cve/CVE-2026-82073",
      "title": "Improper Validation in MongoDB Server Aggregation Framework Allows Authorization Bypass and Unauthorized Collection Access with Atlas Search",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00362,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18693",
      "url": "https://patchblox.com/security/cve/CVE-2026-18693",
      "title": "Out-of-Bounds Read/Write in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potential Memory Disclosure",
      "priority": "High",
      "cvss": 7.2,
      "epss": 0.0034,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82070",
      "url": "https://patchblox.com/security/cve/CVE-2026-82070",
      "title": "Insufficiently Protected Credentials in MongoDB Server Diagnostic Reporting Interface",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00326,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-89099",
      "url": "https://patchblox.com/security/cve/CVE-2026-89099",
      "title": "Race Condition in MongoDB Server Document Value Layer Leads to Memory Corruption",
      "priority": "High",
      "cvss": 7.7,
      "epss": 0.00321,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18704",
      "url": "https://patchblox.com/security/cve/CVE-2026-18704",
      "title": "Improper Authorization in MongoDB Aggregation Framework Allows Read-Only User to Perform Unauthorized Write Operations",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00287,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18712",
      "url": "https://patchblox.com/security/cve/CVE-2026-18712",
      "title": "Improper Authorization in MongoDB Queryable Encryption Maintenance Operations Allows Unauthorized Modification of Other Collections",
      "priority": "High",
      "cvss": 7.2,
      "epss": 0.00237,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18687",
      "url": "https://patchblox.com/security/cve/CVE-2026-18687",
      "title": "Improper Validation in MongoDB Queryable Encryption Maintenance Operation Leads to Denial of Service and Index Corruption",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00234,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82069",
      "url": "https://patchblox.com/security/cve/CVE-2026-82069",
      "title": "Improper Redaction of Query Literals in MongoDB Server Query Statistics Serialization on Sharded Cluster Router",
      "priority": "Routine",
      "cvss": 5.1,
      "epss": 0.0041,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18699",
      "url": "https://patchblox.com/security/cve/CVE-2026-18699",
      "title": "Improper Input Validation in MongoDB Query Planner Leads to Denial of Service",
      "priority": "Routine",
      "cvss": 6,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18700",
      "url": "https://patchblox.com/security/cve/CVE-2026-18700",
      "title": "Use-After-Free in MongoDB Geospatial Validation Leads to Denial of Service",
      "priority": "Routine",
      "cvss": 6,
      "epss": 0.00402,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82066",
      "url": "https://patchblox.com/security/cve/CVE-2026-82066",
      "title": "Heap Out-of-Bounds Read in MongoDB Server Query Planning Component",
      "priority": "Routine",
      "cvss": 5.3,
      "epss": 0.00388,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18708",
      "url": "https://patchblox.com/security/cve/CVE-2026-18708",
      "title": "Improper Neutralization of Input in MongoDB Server\u0027s JavaScript Scripting Engine Leads to Unauthorized Code Execution Within Query Scopes",
      "priority": "Routine",
      "cvss": 5.3,
      "epss": 0.0038,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82059",
      "url": "https://patchblox.com/security/cve/CVE-2026-82059",
      "title": "Improper Access Restriction of Internal Aggregation Expression in MongoDB Server Leads to Assertion Failure and Denial of Service",
      "priority": "Routine",
      "cvss": 6,
      "epss": 0.00367,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82063",
      "url": "https://patchblox.com/security/cve/CVE-2026-82063",
      "title": "Use-After-Free in MongoDB Server Cursor Management Component Leads to Denial of Service",
      "priority": "Routine",
      "cvss": 6,
      "epss": 0.00367,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18707",
      "url": "https://patchblox.com/security/cve/CVE-2026-18707",
      "title": "Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service",
      "priority": "Routine",
      "cvss": 5.3,
      "epss": 0.00352,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82060",
      "url": "https://patchblox.com/security/cve/CVE-2026-82060",
      "title": "Insufficient Validation of Shard Key Values in MongoDB Server Leads to Query Operator Injection in Change Stream Post-Image Lookups",
      "priority": "Routine",
      "cvss": 2.3,
      "epss": 0.00341,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-82056",
      "url": "https://patchblox.com/security/cve/CVE-2026-82056",
      "title": "Race Condition in MongoDB Server Text Index Query Parsing Leads to Heap Use-After-Free and Denial of Service",
      "priority": "Routine",
      "cvss": 6,
      "epss": 0.00332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18702",
      "url": "https://patchblox.com/security/cve/CVE-2026-18702",
      "title": "Improper Authorization in MongoDB profile Command Allows Unauthorized Modification of Server-Wide Diagnostic Settings",
      "priority": "Routine",
      "cvss": 5.3,
      "epss": 0.00275,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18698",
      "url": "https://patchblox.com/security/cve/CVE-2026-18698",
      "title": "Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections via the validate Command",
      "priority": "Routine",
      "cvss": 5.3,
      "epss": 0.00244,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18709",
      "url": "https://patchblox.com/security/cve/CVE-2026-18709",
      "title": "Missing Authorization in MongoDB Sharded Transaction Commit/Abort Handling Leads to Cross-Shard Data Inconsistency",
      "priority": "Routine",
      "cvss": 5.9,
      "epss": 0.00195,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-18703",
      "url": "https://patchblox.com/security/cve/CVE-2026-18703",
      "title": "Improper Enforcement of Authentication Mechanism Restrictions in MongoDB Server Allows Use of Disabled Authentication Method",
      "priority": "Routine",
      "cvss": 2.3,
      "epss": 0.00144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}