GO-2026-5522

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Source

https://pkg.go.dev/vuln/GO-2026-5522

Import Source

https://vuln.go.dev/ID/GO-2026-5522.json

JSON Data

https://api.osv.dev/v1/vulns/GO-2026-5522

Aliases

CVE-2026-27769
GHSA-mxxh-fmjq-j6x4

Published

2026-06-25T22:34:34Z

Modified

2026-06-25T23:01:31.638503820Z

Summary

Mattermost doesn't validate whether users were correctly owned by the correct Connected Workspace in github.com/mattermost/mattermost-server

Details

Mattermost doesn't validate whether users were correctly owned by the correct Connected Workspace in github.com/mattermost/mattermost-server.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/mattermost/mattermost-server from v8.0.0-20250721062209-4952acea88ce before v8.0.0-20260316060126-bc1a2b34b1f9.

Database specific

{
    "review_status": "UNREVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-5522"
}

References

Affected packages

Go / github.com/mattermost/mattermost-server

Package

Name: github.com/mattermost/mattermost-server; View open source insights on deps.dev
Purl: pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Ecosystem specific

{
    "custom_ranges": [
        {
            "type": "ECOSYSTEM",
            "events": [
                {
                    "introduced": "8.0.0-20250721062209-4952acea88ce"
                },
                {
                    "fixed": "8.0.0-20260316060126-bc1a2b34b1f9"
                }
            ]
        }
    ]
}

Database specific

source

"https://vuln.go.dev/ID/GO-2026-5522.json"