CVE-2025-55073Published

MS Teams plugin OAuth allows editing arbitrary posts

cve-program · CVE-2025-55073

Published

Mattermost

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "defaultStatus": "unaffected",
                    "product": "Mattermost",
                    "vendor": "Mattermost",
                    "versions": [
                        {
                            "lessThanOrEqual": "10.11.3",
                            "status": "affected",
                            "version": "10.11.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThanOrEqual": "10.5.11",
                            "status": "affected",
                            "version": "10.5.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThanOrEqual": "10.12.0",
                            "status": "affected",
                            "version": "10.12.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "11.0.0",
                            "status": "unaffected"
                        },
                        {
                            "version": "10.11.4",
                            "status": "unaffected"
                        },
                        {
                            "version": "10.5.12",
                            "status": "unaffected"
                        },
                        {
                            "version": "10.12.1",
                            "status": "unaffected"
                        }
                    ]
                }

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

euvd · EUVD-2025-186555

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: Nov 14, 2025, 8:03:16 AM

dateUpdated: Nov 14, 2025, 3:46:58 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-2025-55073

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-306

Original publisher date fields

published: 2025-11-14T08:15:45.687

lastModified: 2026-10-19T13:10:00.110

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-ff85-qw3h-g9vp

Published

github.com/mattermost/mattermost-server

SEMVER · introduced 10.11.0 → fixed 10.11.4

github.com/mattermost/mattermost-server

SEMVER · introduced 10.5.0 → fixed 10.5.12

github.com/mattermost/mattermost-server

SEMVER · introduced 10.12.0 → fixed 10.12.1

github.com/mattermost/mattermost/server/v8

SEMVER · introduced 0 → fixed 8.0.0-20250929212932-a41db04d2746

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

osv · GO-2025-4129

Published

github.com/mattermost/mattermost-server

SEMVER · introduced 10.5.0+incompatible → fixed 10.5.12+incompatible → introduced 10.11.0+incompatible → fixed 10.11.4+incompatible → introduced 10.12.0+incompatible → fixed 10.12.1+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 → fixed 8.0.0-20250929212932-a41db04d2746

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