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x/vulndb: potential Go vuln in github.com/mattermost/mattermost/server/v8: GHSA-h356-3mfw-x368 #3691

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x/vulndb: potential Go vuln in github.com/mattermost/mattermost/server/v8: GHSA-h356-3mfw-x368#3691
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Description

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opened on May 17, 2025

Advisory GHSA-h356-3mfw-x368 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 10.5.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.

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
      non_go_versions:
        - introduced: TODO (earliest fixed "9.11.12", vuln range ">= 9.11.0, <= 9.11.11")
        - introduced: TODO (earliest fixed "10.5.3", vuln range ">= 10.5.0, <= 10.5.2")
      vulnerable_at: 10.8.0+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: 8.0.0-20250411064244-844447fbd57c
summary: Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
cves:
    - CVE-2025-2527
ghsas:
    - GHSA-h356-3mfw-x368
references:
    - advisory: https://github.com/advisories/GHSA-h356-3mfw-x368
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-2527
    - web: https://mattermost.com/security-updates
notes:
    - fix: 'module merge error: could not merge versions of module github.com/mattermost/mattermost-server: invalid or non-canonical semver version (found TODO (earliest fixed "9.11.12", vuln range ">= 9.11.0, <= 9.11.11"))'
    - fix: 'github.com/mattermost/mattermost/server/v8: could not add vulnerable_at: could not find tagged version between introduced and fixed'
source:
    id: GHSA-h356-3mfw-x368
    created: 2025-05-17T15:03:19.049426107Z
review_status: UNREVIEWED

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