# CVE-2026-18705

## Summary

- **CVE ID:** CVE-2026-18705
- **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-807
- **Published:** Aug 11, 2026
- **Last Modified:** Aug 11, 2026

## Description

An issue in MongoDB Server's Atlas Vector Search feature could allow an authenticated user with read access to one view to retrieve documents from a different, protected view over the same underlying collection. This is due to insufficient handling of certain user-supplied fields when constructing an internal request forwarded to the search process.

## Affected Products

- MongoDB — MongoDB Server (8.3.0)
- MongoDB — MongoDB Server (8.0)
- MongoDB — MongoDB Server (7.0)

## References

- [CNA](https://jira.mongodb.org/browse/SERVER-129618)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.0

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