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x/vulndb: potential Go vuln in github.com/mattermost/mattermost-server: GHSA-5mh6-p63g-3mv5 #4146

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x/vulndb: potential Go vuln in github.com/mattermost/mattermost-server: GHSA-5mh6-p63g-3mv5#4146
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opened on Nov 20, 2025

Advisory GHSA-5mh6-p63g-3mv5 references a vulnerability in the following Go modules:

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

Description:
An issue was discovered in Mattermost Server before 5.1.0. It allows attackers to cause a denial of service via the invite_people slash command.

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
      vulnerable_at: 11.1.0+incompatible
    - module: github.com/mattermost/mattermost-server/v5
      versions:
        - fixed: 5.1.0
      vulnerable_at: 5.1.0-rc4
summary: |-
    Mattermost Server is vulnerable to a Denial of Service attack through
    `invite_people` command in github.com/mattermost/mattermost-server
cves:
    - CVE-2018-21258
ghsas:
    - GHSA-5mh6-p63g-3mv5
references:
    - advisory: https://github.com/advisories/GHSA-5mh6-p63g-3mv5
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-21258
    - fix: https://github.com/mattermost/mattermost/commit/af615ffc24b774d76deef8c93282831432669dd8
    - web: https://mattermost.com/security-updates
source:
    id: GHSA-5mh6-p63g-3mv5
    created: 2025-11-20T22:01:43.806213038Z
review_status: UNREVIEWED

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