GO-2026-4282

Source
https://pkg.go.dev/vuln/GO-2026-4282
Import Source
https://vuln.go.dev/ID/GO-2026-4282.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-4282
Aliases
Published
2026-02-26T16:27:46Z
Modified
2026-02-26T18:56:01.453798Z
Summary
Mattermost Server is vulnerable to channel invisibility DoS via misformatted post in github.com/mattermost/mattermost-server
Details

Mattermost Server is vulnerable to channel invisibility DoS via misformatted post 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 before v4.1.2-0.20171013141717-ee57a5829ab1, before v4.2.1-0.20171013140502-b3e4b0ac9168.

Database specific
{
    "review_status": "UNREVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-4282"
}
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
Fixed
4.1.2-0.20171013141717-ee57a5829ab1+incompatible
Introduced
4.2.0+incompatible
Fixed
4.2.1-0.20171013140502-b3e4b0ac9168+incompatible
Introduced
4.3.0-rc1+incompatible
Fixed
4.3.0+incompatible

Ecosystem specific

{
    "custom_ranges": [
        {
            "events": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "4.1.2-0.20171013141717-ee57a5829ab1"
                },
                {
                    "fixed": "4.2.1-0.20171013140502-b3e4b0ac9168"
                }
            ],
            "type": "ECOSYSTEM"
        }
    ]
}

Database specific

source
"https://vuln.go.dev/ID/GO-2026-4282.json"