CVE-2026-114653Medium· 6.5▾ TwilightPoC availableA client-side encryption schema construction component in the MongoDB C# Driver places caller-supplied field identifiers into a position that is interpreted as a pattern expression, without normalizing or validating them. As a result, an…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 35.8 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
Exploit / PoC code exists
A client-side encryption schema construction component in the MongoDB C# Driver places caller-supplied field identifiers into a position that is interpreted as a pattern expression, without normalizing or validating them. As a result, an application that designates certain fields for client-side field-level encryption may have the protection silently fail to apply, so data intended to be encrypted is stored and returned in cleartext; conversely, the rule may apply more broadly than intended. No user action is required to cause the condition, and any party with ordinary read access to the stored data — without possession of the encryption keys — can observe the unprotected values.
c_driver >= 3.5.0 < 3.13.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-114650Medium· 5.9Plaintext exposure of encrypted fields via ANSI code-page corruption of database name
CVE-2026-114654Medium· 6.5BSON output corruption via out-of-range binary subtype bypassing UUID and OldBinary guards
CVE-2026-114647Medium· 4.3NoSQL operator injection via unvalidated replacement document in findOneAndReplace
CVE-2026-114648High· 7.6NoSQL injection via dot and dollar characters in LINQ filter field names and dictionary keys
CVE-2026-114646Medium· 6.5NoSQL command injection via mismatched raw BSON length prefix written verbatim to the wire
CVE-2026-114643Medium· 5.4Duplicate geometry fields via unvalidated GeoJSON extra members