---
cve: "CVE-2026-74761"
severity: "HIGH"
cvss: 7.5
epss: "0.6%"
vendor: "Apache Software Foundation"
kev: false
exploited: false
published: "2026-09-09 12:17:13"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T03:05:32+02:00"
---

# CVE-2026-74761

> 7.5 HIGH

## Beschreibung

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms.




An authenticated client can spoof clientId when removing a durable topic subscription.



This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ All: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ: before 5.19.11, from 6.0.0 before 6.3.2.



Users are recommended to upgrade to version 6.3.2 or 5.19.11 which fixes the issue.

## CVSS-Vektor

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

| 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 | Keine | good |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- cd2f121c6af905e9a3522e6e30548f0ec60f0572 (Commit)
- ea18a99e1f5943a446ea2862b9e3827e7f048257 (Commit)

## Referenzen

- <https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz>
- <http://www.openwall.com/lists/oss-security/2026/09/08/12>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-74761) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_