CVE-2026-88026 — Regular expression injection via unescaped characters in LINQ query translation in MongoDB C# Driver

CVE-2026-88026

Regular expression injection via unescaped characters in LINQ query translation in MongoDB C# Driver PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
MongoDB / C# Driver	affected 2.14.0 through 3.11.1

CWE

CWE-943

References

https://jira.mongodb.org/browse/CSHARP-6177

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.