CVE-2025-11776
🗓️ 14 Nov 2025 07:58:52Reported by MattermostType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 57 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 30 |
|---|---|---|---|---|
 | Mattermost API Data Compromise | 17 Dec 202500:00 | – | bdu_fstec |
 | CVE-2025-11776 | 14 Nov 202509:08 | – | circl |
 | Mattermost security vulnerabilities | 14 Nov 202500:00 | – | cnnvd |
 | CVE-2025-11776 Guest user can discover archived public channels | 14 Nov 202507:58 | – | cvelist |
 | EUVD-2025-186558 | 14 Nov 202509:30 | – | euvd |
 | Mattermost fails to properly restrict access to archived channel search API | 14 Nov 202509:30 | – | github |
 | Mattermost Server < 11.0.0 Multiple Vulnerabilities (MMSA-2024-00337, MMSA-2025-00493, MMSA-2025-00540) | 20 Nov 202500:00 | – | nessus |
 | CVE-2025-11776 | 14 Nov 202507:58 | – | mend |
 | CVE-2025-11776 | 14 Nov 202508:15 | – | nvd |
 | CVE-2025-11776 | 14 Nov 202508:15 | – | osv_cve |
10
Node
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "<11",
"status": "affected",
"version": "<11",
"versionType": "semver"
},
{
"version": "11.0.0",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| {team_id} | path | /api/v4/teams/{team_id}/channels/search_archived | Mattermost versions <11 fail to properly restrict access to archived channel search API, allowing guest users to discover archived public channels. | CWE-863 |
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19 Oct 2026 13:10Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.14.3
EPSS0.00208
SSVC