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CVE-2026-114649

7.6 high Awaiting Analysis
NVD · CVE.org

The MongoDB C# Driver compares TLS client certificates by issuer and serial number only when deciding whether two clients can share cached connections. In an application that creates clients from certificates supplied by different users, a user who provides a certificate copying another user's issuer and serial number, without that user's private key, can be given connections authenticated with the other user's certificate. Database operations can then run under the other user's identity, affecting the confidentiality and integrity of data that identity can access.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-23 19:45
  2. StatusReceived → PublishedNVD modified 2026-10-22 20:38
  3. References+1 references (now 3)NVD modified 2026-10-22 21:17
  4. StatusPublished → ReceivedNVD modified 2026-10-22 21:17
  5. StatusReceived → PublishedNVD modified 2026-10-22 19:13
  6. First seenCVSS 7.6NVD modified 2026-10-22 19:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3