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OpenAdvisories
High WID-SEC-2026-1516 6 CVEs

MongoDB: Mehrere Schwachstellen

Published May 12, 2026 · Updated Jul 15, 2026 · Revision 2 · de-DE

Vendor: Splunk Product: Enterprise Platform: Linux Platform: Windows

Summary

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in MongoDB ausnutzen, um beliebigen Programmcode auszuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.

Product

MongoDB ist ein Open-Source-Dokumentendatenbank.

Vulnerabilities 6

  • High 8.8
    CVE-2026-8053

    FlatBSON Duplicate Field Index Drift

    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-t…

    MongoDB MongoDB Server mongodb Ubuntu
  • High 7.5
    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, mapr…

    MongoDB MongoDB Server
  • Medium 6.5
    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 Mon…

    MongoDB MongoDB Server mongodb Ubuntu
  • Medium 6.4
    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 crypt_shared. Triggering this vulnerability requires control over the structure of a client's FLE-related q…

    MongoDB MongoDB Server mongodb Ubuntu
  • Medium 4.3
    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 MongoDB Server mongodb Ubuntu
  • Low 2.7
    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…

    MongoDB MongoDB Server mongodb Ubuntu

Revision history

  1. #2

    Neue Updates von Splunk-SVD aufgenommen

  2. #1

    Initiale Fassung

References