Insufficient Validation of Storage Configuration Options in MongoDB Server Leads to Persistent Denial of Service via Corrupted Metadata

A security issue in the MongoDB Server's storage engine integration layer allows an authenticated user with collection creation privileges to cause a persistent denial of service. Insufficient validation of user-supplied storage configuration options permits values that, once persisted to durable...

EUVD-2026-72952

A security issue in the MongoDB Server's storage engine integration layer allows an authenticated user with collection creation privileges to cause a persistent denial of service. Insufficient validation of user-supplied storage configuration options permits values that, once persisted to durable...

CVE-2026-82064 Unauthenticated Denial of Service in MongoDB Server via Assertion Failure in Read Concern Processing on Replica Set Members

A security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member. The server contains an assertion in its read concern processing logic that can be reached without authentication, and the assertion's assumptions about...

EUVD-2026-72951

A security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member. The server contains an assertion in its read concern processing logic that can be reached without authentication, and the assertion's assumptions about...

Unauthenticated Denial of Service in MongoDB Server via Assertion Failure in Read Concern Processing on Replica Set Members

A security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member. The server contains an assertion in its read concern processing logic that can be reached without authentication, and the assertion's assumptions about...

CVE-2026-82064

MongoDB Server contains a denial-of-service vulnerability in its read concern processing logic . An unauthenticated network user can trigger an assertion failure on a specific type of replica set member , causing the server process to terminate. The root cause is that the assertion's assumptions ...

CVE-2026-82063 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-2026-82063

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...

EUVD-2026-72950

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...

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...

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-2026-82059 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...

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

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 ...

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-2026-82057

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

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...

EUVD-2026-72944

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...