---
cve: "CVE-2026-82052"
severity: "HIGH"
cvss: 7.1
epss: "0.4%"
vendor: "MONGODB"
kev: false
exploited: false
published: "2026-09-08 17:18:32"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T23:12:02+02:00"
---

# CVE-2026-82052

> 7.1 HIGH

## Beschreibung

The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the  regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:A
```

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

## Patch verfügbar (OSV)

- 6df23543fc9e7ee456ff05ed726b22865ea753e7 (Commit)
- 11c3ed7c274d5fb7149e498323bd0377c3a2876e (Commit)

## Referenzen

- <https://jira.mongodb.org/browse/SERVER-127985>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-82052) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_