---
cve: "CVE-2025-9072"
severity: "HIGH"
cvss: 7.6
epss: "17%"
vendor: "Mattermost"
kev: false
exploited: false
published: "2025-09-15 11:15:34"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T10:13:05+02:00"
---

# CVE-2025-9072

> 7.6 HIGH

## Beschreibung

Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the user’s cookies to an attacker-controlled URL.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 83a37a861d3ce87bea6cd3873917adbf524f1767 (Commit)
- 154962b1763facdc320279c12e853cb3623e9f08 (Commit)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-9072) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_