---
cve: "CVE-2025-54458"
severity: "MEDIUM"
cvss: 5.0
epss: "21%"
vendor: "Mattermost"
kev: false
exploited: false
published: "2025-08-11 19:15:29"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T22:52:49+02:00"
---

# CVE-2025-54458

> 5.0 MEDIUM

## Beschreibung

Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the Confluence space which allows attackers to create a subscription for a Confluence space the user does not have access to via the create subscription endpoint.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- eccd0fdb6730a5a2e5a8e3f9636b27122f024e47 (Commit)

## Referenzen

- <https://mattermost.com/security-updates>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-54458) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_