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CVE-2025-9072

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CVE-2025-9072

Published: Sep 15, 2025

Modified: Sep 15, 2025

PUBLISHED

CVSS v3.1

7.6

HIGH

Description

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.

VendorProductVersions

Mattermost

Mattermost

affected
10.10.0 - <= 10.10.1
affected
10.5.0 - <= 10.5.9
affected
10.9.0 - <= 10.9.4
unaffected
10.11.0
unaffected
10.10.2

+2 more versions

Weaknesses (CWE)

CWE-601

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

References

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