EUVD-2025-203891Published

Mattermost GitHub Plugin allows unauthorized GitHub reactions via reaction forwarding hijacking

cve-program · CVE-2025-13352

Published

Mattermost

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "defaultStatus": "unaffected",
                    "product": "Mattermost",
                    "vendor": "Mattermost",
                    "versions": [
                        {
                            "lessThanOrEqual": "10.11.6",
                            "status": "affected",
                            "version": "10.11.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "11.1.0",
                            "status": "unaffected"
                        },
                        {
                            "version": "10.11.7",
                            "status": "unaffected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2025-203891

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Dec 17, 2025, 12:11:25 PM

dateUpdated: Dec 17, 2025, 4:48:08 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2025-13352

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-1287

Original publisher date fields

published: 2025-12-17T13:15:56.627

lastModified: 2026-10-13T11:10:00.203

1 source CPE criteria · context only

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-jf5h-xfw4-p8gp

Published

github.com/mattermost/mattermost/server/v8

SEMVER · introduced 10.11.0-rc1 → fixed 10.11.7-0.20251106103514-3b05384dd014

github.com/mattermost/mattermost

SEMVER · introduced 0 → fixed 10.11.7-0.20251106103514-3b05384dd014

github.com/mattermost/mattermost

SEMVER · introduced 11.0.0-alpha.1 → fixed 11.1.0

github.com/mattermost/mattermost-plugin-github

SEMVER · introduced 0 → fixed 1.0.1-0.20250829075715-0deffcfc6bee

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2025-4247

Published

github.com/mattermost/mattermost

SEMVER · introduced 11.0.0-alpha.1+incompatible → fixed 11.1.0+incompatible

github.com/mattermost/mattermost-plugin-github

SEMVER · introduced 0 → fixed 1.0.1-0.20250829075715-0deffcfc6bee

github.com/mattermost/mattermost-server

SEMVER · introduced 10.11.0-rc1+incompatible

github.com/mattermost/mattermost-server/v5

SEMVER · introduced 0

github.com/mattermost/mattermost-server/v6

SEMVER · introduced 0

github.com/mattermost/mattermost/server/v8

SEMVER · introduced 0

Original source record · Cite this exact observation · Complete original publisher JSON