- Description
- Mattermost versions 11.7.x <= 11.7.10 fail to validate reserved system post types on the scheduled post creation and publication paths which allows an authenticated channel member to publish messages rendering as trusted system events via the scheduled post endpoint.. Mattermost Advisory ID: MMSA-2026-00732
- Source
- responsibledisclosure@mattermost.com
- NVD status
- Analyzed
- Products
- mattermost_server
CVSS 3.1
- Type
- Secondary
- Base score
- 3.5
- Impact score
- 1.4
- Exploitability score
- 2.1
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Severity
- LOW
- responsibledisclosure@mattermost.com
- CWE-863
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C7DFF726-7FA7-48F9-90CE-3F6DAF6FA1C0",
"versionEndExcluding": "11.7.11",
"versionStartIncluding": "11.7.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]