CVE-2026-88026Medium· 6.5▾ SunlitImproper neutralization of regular-expression metacharacters in the LINQ query translation component of the MongoDB C# Driver can cause a caller-supplied character sequence to alter a regular-expression predicate generated by an affected…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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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.
Exploit-prediction probability, daily snapshots since Sep 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
0.2% → 0.4%
Improper neutralization of regular-expression metacharacters in the LINQ query translation component of the MongoDB C# Driver can cause a caller-supplied character sequence to alter a regular-expression predicate generated by an affected application. An authenticated user who can influence such a value may cause the application to return records beyond those intended by the original filter.
c#_driver >= 2.14.0, < 3.11.2Upgrade past the affected range:
c#_driver 3.11.2Connected by shared product, vendor, weakness, or advisory.
CVE-2026-88025High· 8.3Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB C# Driver can cause a caller-supplied structured file identifier to be interpreted as a query condition rather than as a literal ident…
CVE-2026-81527Medium· 6.5A NoSQL/expression injection weakness exists in the LINQ-to-aggregation query translation layer of the MongoDB C# Driver, in both aggregation expression and query filter translation
CVE-2026-81528Medium· 5.4A MongoDB C# driver document-replacement code path omits the element-name/shape validation that the equivalent write paths apply, so a value supplied as a replacement is forwarded to the server without neutralization of query-language sp…
CVE-2026-118581Medium· 6.5NoSQL injection via mismatched BSON size prefix in raw document splice to the wire protocol
CVE-2026-114648High· 7.6NoSQL injection via dot and dollar characters in LINQ filter field names and dictionary keys
CVE-2026-114647Medium· 4.3NoSQL operator injection via unvalidated replacement document in findOneAndReplace