---
cve: "CVE-2026-57967"
severity: "CRITICAL"
cvss: 9.8
epss: "0.7%"
vendor: "Apache Software Foundation"
kev: false
exploited: false
published: "2026-09-10 05:17:01"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T10:48:55+02:00"
---

# CVE-2026-57967

> 9.8 CRITICAL

## Beschreibung

An unauthenticated remote attacker can craft a CORE protocol SESSION_REATTACH packet to steal an existing session and assume ongoing execution of the previously authenticated session.



This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.



Users are recommended to upgrade to version 2.57.0, which fixes the issue.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 437105493d75b6156ba7bb1f77bae93de2182e30 (Commit)
- 20cab945f0944d669a0aac383a7578e2a6fd7346 (Commit)

## Referenzen

- <https://lists.apache.org/thread/fxfjqrdsnksw5f17zs3yqo864lblgv6y>
- <http://www.openwall.com/lists/oss-security/2026/09/10/5>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-57967) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_