# CVE-2026-88026

## Summary

- **CVE ID:** CVE-2026-88026
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-943
- **Published:** Sep 10, 2026
- **Last Modified:** Sep 10, 2026

## Description

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 Products

- MongoDB — C# Driver (2.14.0)

## References

- [CNA](https://jira.mongodb.org/browse/CSHARP-6177)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._