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x/vulndb: potential Go vuln in github.com/mattermost/mattermost/server/v8: GHSA-86jg-35xj-3vv5 #3728

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x/vulndb: potential Go vuln in github.com/mattermost/mattermost/server/v8: GHSA-86jg-35xj-3vv5#3728
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Description

@GoVulnBot
GoVulnBot
opened on May 30, 2025

Advisory GHSA-86jg-35xj-3vv5 references a vulnerability in the following Go modules:

Module
github.com/mattermost/mattermost-server
github.com/mattermost/mattermost-server/v5
github.com/mattermost/mattermost-server/v6
github.com/mattermost/mattermost/server/v8

Description:
Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly enforce access control restrictions for System Manager roles, allowing authenticated users with System Manager privileges to view team details they should not have access to via direct API requests to team endpoints, even when explicitly configured with 'No access' to Teams in the System Console.

References:

Cross references:

See doc/quickstart.md for instructions on how to triage this report.

id: GO-ID-PENDING
modules:
    - module: github.com/mattermost/mattermost-server
      versions:
        - introduced: 9.0.0-rc1+incompatible
        - fixed: 9.11.13+incompatible
        - introduced: 10.0.0-rc1+incompatible
        - fixed: 10.5.4+incompatible
        - introduced: 10.6.0-rc1+incompatible
        - fixed: 10.7.1+incompatible
      vulnerable_at: 10.7.0+incompatible
    - module: github.com/mattermost/mattermost-server/v5
      vulnerable_at: 5.39.3
    - module: github.com/mattermost/mattermost-server/v6
      vulnerable_at: 6.7.2
    - module: github.com/mattermost/mattermost/server/v8
      versions:
        - fixed: 8.0.0-20250414154356-6f33b721de76
summary: |-
    Mattermost fails to properly enforce access control restrictions for System
    Manager roles in github.com/mattermost/mattermost-server
cves:
    - CVE-2025-3611
ghsas:
    - GHSA-86jg-35xj-3vv5
references:
    - advisory: https://github.com/advisories/GHSA-86jg-35xj-3vv5
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-3611
    - fix: https://github.com/mattermost/mattermost/commit/6f33b721de76b39a7714bfe0d5e9c1306869a3e3
    - web: https://mattermost.com/security-updates
notes:
    - fix: 'github.com/mattermost/mattermost/server/v8: could not add vulnerable_at: could not find tagged version between introduced and fixed'
source:
    id: GHSA-86jg-35xj-3vv5
    created: 2025-05-30T19:03:40.667459217Z
review_status: UNREVIEWED

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