- Description
- Mattermost versions 10.11.x <= 10.11.12 fail to validate whether users were correctly owned by the correct Connected Workspace which allows a malicious remote server connected using the Conntexted Workspaces feature to change the displayed status of local users via the Connected Workspaces API.. Mattermost Advisory ID: MMSA-2026-00603
- Source
- responsibledisclosure@mattermost.com
- NVD status
- Analyzed
- Products
- mattermost_server
CVSS 3.1
- Type
- Secondary
- Base score
- 2.7
- Impact score
- 1.4
- Exploitability score
- 1.2
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
- Severity
- LOW
- responsibledisclosure@mattermost.com
- CWE-862
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FCC7A7BB-02AF-4CC9-9F33-8787C87B73F0",
"versionEndExcluding": "10.11.13",
"versionStartIncluding": "10.11.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]