---
cve: "CVE-2026-9741"
severity: "HIGH"
cvss: 7.1
epss: "10%"
vendor: "MONGODB"
kev: false
exploited: false
published: "2026-06-09 21:56:01"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T09:41:08+02:00"
---

# CVE-2026-9741

> 7.1 HIGH

## Beschreibung

A bug in query analysis processing of the $vectorSearch aggregation stage for Queryable Encryption (QE) or Client-Side Field Level Encryption (CSFLE)  results in literal values for encrypted fields within the $vectorSearch stage filter expressions to be sent to the server as plaintext instead of ciphertext.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- ef9b301aabaadf6850a065ac7fcd6b327be8c3c2 (Commit)
- d0ad95914a3351a12faf03ba35d41c43bc6feb7e (Commit)

## Referenzen

- <https://jira.mongodb.org/browse/SERVER-123507>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-9741) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_