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CVE-2025-6227

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CVE-2025-6227

Published: Jul 18, 2025

Modified: Jul 18, 2025

PUBLISHED

CVSS v3.1

2.2

LOW

Description

Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite and password to send synchronization payloads to the server that originally created the invite via the REST API.

VendorProductVersions

Mattermost

Mattermost

affected
10.5.0 - <= 10.5.7
affected
9.11.0 - <= 9.11.16
unaffected
10.9.0
unaffected
10.5.8
unaffected
9.11.17

Weaknesses (CWE)

CWE-522

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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