---
cve: "CVE-2026-4148"
severity: "HIGH"
cvss: 8.7
epss: "0.3%"
vendor: "MongoDB Inc"
kev: false
exploited: false
published: "2026-03-17 15:53:57"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T06:06:51+02:00"
---

# CVE-2026-4148

> 8.7 HIGH

## Beschreibung

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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)

- ef9c90f7aba16cf5906f8665bb479f89c5aa4a2b (Commit)
- 05009bb976757189fd9bff4cebc5d803a6737a95 (Commit)

## Referenzen

- <https://jira.mongodb.org/browse/SERVER-119319>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-4148) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_