UBUNTU-CVE-2026-8053

An issue in MongoDB Server's time-series collection implementation allows an authenticated user with database write privileges to trigger an out-of-bounds memory write in the mongod process. The issue results from an inconsistency in the internal field-name-to-index mapping within the time-series...

CVE-2026-8202 Post-authentication CPU utilization DoS via $trim/$ltrim/$rtrim operators

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time. This issue impacts MongoDB Server v7.0 versions prior to...

CVE-2026-8202 Post-authentication CPU utilization DoS via $trim/$ltrim/$rtrim operators

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time. This issue impacts MongoDB Server v7.0 versions prior to...

CVE-2026-8202

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time. This issue impacts MongoDB Server v7.0 versions prior to...

CVE-2026-8202

CVE-2026-8202 affects MongoDB Server prior to certain fixed versions: v7.0 before 7.0.34, v8.0 before 8.0.23, v8.2 before 8.2.9, and v8.3 before 8.3.2. The issue is a post-authentication CPU DoS caused by using a densely populated characters mask with large input strings in the MongoDB aggregatio...

CVE-2026-8202 Post-authentication CPU utilization DoS via $trim/$ltrim/$rtrim operators

Using a densely populated chars mask and a large input string in the MongoDB aggregation operators $trim, $ltrim, and $rtrim, an authenticated user with aggregation permissions can pin CPU utilization at 100% for an extended period of time. This issue impacts MongoDB Server v7.0 versions prior to...

CVE-2026-8336 Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands

After invoking $internalJsEmit, which is not intended to be directly accessible, or mapreduce command’s map function in a certain way, an authenticated user can subsequently crash mongod when the server-side JavaScript engine through $where, $function, mapreduce reduce stage, etc. is used also in...

CVE-2026-8336 Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands

After invoking $internalJsEmit, which is not intended to be directly accessible, or mapreduce command’s map function in a certain way, an authenticated user can subsequently crash mongod when the server-side JavaScript engine through $where, $function, mapreduce reduce stage, etc. is used also in...

CVE-2026-8201 Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption FLE query analysis component, affecting client-side uses of mongocryptd and cryptshared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s...

CVE-2026-8201

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption FLE query analysis component, affecting client-side uses of mongocryptd and cryptshared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s...

CVE-2026-8201

A use-after-free vulnerability exists in MongoDB’s Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering the issue requires control over the structure of a client’s FLE-related query. Affected MongoDB Server components and ve...

Use-After-Free in MongoDB FLE Query Analysis When Processing Positional Projections on Encrypted Fields

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption FLE query analysis component, affecting client-side uses of mongocryptd and cryptshared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s...

CVE-2026-8200

The CVE-2026-8200 entry covers MongoDB Server: affected versions are v7.0 before 7.0.34, v8.0 before 8.0.23, v8.2 before 8.2.9, and v8.3 before 8.3.2. When schema validation is enabled and an update/insert would violate the schema, the generated local server log message may not redact all user da...

CVE-2026-8200 Schema validation log messages may not redact user data

When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 version...

Schema validation log messages may not redact user data

When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 version...

CVE-2026-8200 Schema validation log messages may not redact user data

When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 version...

CVE-2026-8200

When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 version...

CVE-2026-8199 Post-auth memory exhaustion via bitwise match expressions

An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear. This contributes to memory pressure and may lead to availability loss by OOM. This issue impacts MongoDB Server v7.0 versions prior to...

CVE-2026-8199

An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear. This contributes to memory pressure and may lead to availability loss by OOM. This issue impacts MongoDB Server v7.0 versions prior to...

CVE-2026-8199 Post-auth memory exhaustion via bitwise match expressions

An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear. This contributes to memory pressure and may lead to availability loss by OOM. This issue impacts MongoDB Server v7.0 versions prior to...