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CVE-2026-114648EUVD-2026-108315GHSA-2XQR-FXMX-2CMF

NoSQL injection via dot and dollar characters in LINQ filter field names and dictionary keys

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.13.0
None on Exploit-DB, Metasploit or GitHub

Summary

The MongoDB C# Driver, used by applications that build LINQ queries and updates against MongoDB databases, is affected. An attacker who controls input reaching these query or update fields could read other users' documents or modify more data than intended, and malformed input could leave stored records unreadable until they are repaired.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

The MongoDB C# Driver does not neutralize dot and dollar characters in dictionary keys, field names and array-filter identifiers used in LINQ queries before placing them into the field paths it sends to the server. An application user whose input reaches these positions can redirect a query or update to fields the application did not name, which can expose other users' documents and widen updates beyond the intended data. Certain values can also write malformed fields that leave stored documents unreadable by the application until they are repaired.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. Record last updated

Affected versions

  • MongoDB C# Driver

    From 2.14.0 · fixed in 3.13.0

References 3

jira.mongodb.org

GitHub · mongodb/mongo-csharp-driver