ByteOS Network

NVD Vulnerability Details :

CVE-2025-2527

Analyzed

Source-responsibledisclosure@mattermost.com

Published At-15 May, 2025 | 16:15

Updated At-22 Aug, 2025 | 20:21

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CPE Matches

Mattermost, Inc.

>>mattermost_server>>Versions from 9.11.0(inclusive) to 9.11.12(exclusive)

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

Mattermost, Inc.

>>mattermost_server>>Versions from 10.5.0(inclusive) to 10.5.3(exclusive)

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-863	Secondary	responsibledisclosure@mattermost.com

References

Hyperlink	Source	Resource
https://mattermost.com/security-updates	responsibledisclosure@mattermost.com	Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History