CVE-2026-82063

A use-after-free flaw in the cursor management component of MongoDB Server allows an authenticated user to trigger a denial of service . Under specific timing conditions during cursor operations, a stale pointer to a freed resource is retained and dereferenced during cursor cleanup, causing a ser...

Use-After-Free in MongoDB Server Cursor Management Component Leads to Denial of Service

A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during curso...

CVE-2026-82061

CVE-2026-82061 is a use-after-free vulnerability in MongoDB Server 's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, resulting in a server process crash (denial of ser...

CVE-2026-82061 Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service

A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. N...

CVE-2026-82061 Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service

A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. N...

Use-After-Free in MongoDB Server Query Execution Memory Tracking Subsystem Leads to Denial of Service

A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. N...

CVE-2026-82060 Insufficient Validation of Shard Key Values in MongoDB Server Leads to Query Operator Injection in Change Stream Post-Image Lookups

In MongoDB, insufficient validation of shard key values during document insertion allowed authenticated users to store documents with specially crafted, operator-shaped objects as shard key values in sharded collections. When change stream events for such documents were processed with the...

CVE-2026-82060 Insufficient Validation of Shard Key Values in MongoDB Server Leads to Query Operator Injection in Change Stream Post-Image Lookups

In MongoDB, insufficient validation of shard key values during document insertion allowed authenticated users to store documents with specially crafted, operator-shaped objects as shard key values in sharded collections. When change stream events for such documents were processed with the...

CVE-2026-82060

CVE-2026-82060 is an insufficient validation flaw in MongoDB Server affecting sharded collections. During document insertion, shard key values were not properly validated, allowing authenticated users to store operator-shaped objects as shard key values. When change stream events for such documen...

Insufficient Validation of Shard Key Values in MongoDB Server Leads to Query Operator Injection in Change Stream Post-Image Lookups

In MongoDB, insufficient validation of shard key values during document insertion allowed authenticated users to store documents with specially crafted, operator-shaped objects as shard key values in sharded collections. When change stream events for such documents were processed with the...

EUVD-2026-72946

An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations. By crafting a malformed index specification within this expression, an authenticated user with read-only privileges...

CVE-2026-82059 Improper Access Restriction of Internal Aggregation Expression in MongoDB Server Leads to Assertion Failure and Denial of Service

An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations. By crafting a malformed index specification within this expression, an authenticated user with read-only privileges...

CVE-2026-82059

CVE-2026-82059 affects MongoDB Server , where an internal aggregation expression was incorrectly exposed to any authenticated user instead of being restricted to internal cluster operations. An attacker with read-only privileges can craft a malformed index specification within this expression to ...

CVE-2026-82059 Improper Access Restriction of Internal Aggregation Expression in MongoDB Server Leads to Assertion Failure and Denial of Service

An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations. By crafting a malformed index specification within this expression, an authenticated user with read-only privileges...

CVE-2026-82059 Improper Access Restriction of Internal Aggregation Expression in MongoDB Server Leads to Assertion Failure and Denial of Service

An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations. By crafting a malformed index specification within this expression, an authenticated user with read-only privileges...

Improper Access Restriction of Internal Aggregation Expression in MongoDB Server Leads to Assertion Failure and Denial of Service

An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations. By crafting a malformed index specification within this expression, an authenticated user with read-only privileges...

CVE-2026-82058

MongoDB 's mongod server is vulnerable to a denial-of-service flaw in its JSON Schema validation error generation code. When a BSON document containing an array with a malformed numeric field name fails a $jsonSchema items type constraint, the error path performs an unsafe numeric conversion on t...

CVE-2026-82057

MongoDB is affected by a type confusion in its WiredTiger storage engine . An authenticated user with readWrite privileges can specify a custom WiredTiger storage configuration option with an incompatible value during collection creation. When documents are subsequently read from the misconfigure...

CVE-2026-82058 Unhandled Exception in MongoDB Server JSON Schema Validation Error Generation Leads to Denial of Service

A flaw in MongoDB's JSON Schema validation error generation code allows an authenticated user with readWrite privileges to crash the mongod server. When a BSON document containing an array with a malformed numeric field name fails a $jsonSchema items type constraint, the error generation path...

Type Confusion in MongoDB Server WiredTiger Storage Engine via Custom Collection Configuration Leads to Persistent Denial of Service

A security issue was discovered in MongoDB where an authenticated user with readWrite privileges could crash the mongod server process. By specifying a custom WiredTiger storage configuration option with an incompatible value during collection creation, a user could cause a type confusion in the...