---
cve: "CVE-2026-63759"
severity: "HIGH"
cvss: 7.1
epss: "0.4%"
vendor: "surrealdb"
kev: false
exploited: false
published: "2026-07-20 12:19:46"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-04T05:47:15+02:00"
---

# CVE-2026-63759

> 7.1 HIGH · 🧪 PoC

## Beschreibung

SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when processing nested type annotations. Authenticated attackers can send queries with deeply nested type annotations to exhaust server memory and crash the process.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## 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
```

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

## Referenzen

- <https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f>
- <https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-63759) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_