---
cve: "CVE-2026-6918"
severity: "HIGH"
cvss: 8.7
epss: "52%"
vendor: "Eclipse Foundation"
kev: false
exploited: false
published: "2026-05-05 13:16:30"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T18:19:42+02:00"
---

# CVE-2026-6918

> 8.7 HIGH · 🧪 PoC

## Beschreibung

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- c53b6b93f422b77b3395a3464d5578b706e9a618 (Commit)

## Referenzen

- <https://github.com/eclipse-openj9/openj9/security/advisories/GHSA-q393-vr4c-969r>
- <https://github.com/eclipse-openj9/openj9/pull/23793>
- <https://access.redhat.com/errata/RHSA-2026:22328>
- <https://access.redhat.com/security/cve/CVE-2026-6918>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2466741>
- <https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6918.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-6918) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_