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CVE-2026-2454 DoS in Calls plugin via malformed msgpack in websocket request.
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | The vulnerability of the Mattermost instant messaging application, related to incorrect validation of the specified data type, allows a hacker to trigger a service failure. | 13 May 202600:00 | – | bdu_fstec |
 | Mattermost 安全漏洞 | 16 Mar 202600:00 | – | cnnvd |
 | CVE-2026-2454 | 16 Mar 202620:10 | – | cve |
 | EUVD-2026-12510 | 16 Mar 202621:34 | – | euvd |
 | CVE-2026-2454 | 16 Mar 202621:16 | – | nvd |
 | PT-2026-25809 | 16 Mar 202600:00 | – | ptsecurity |
 | CVE-2026-2454 | 16 Mar 202622:29 | – | redhatcve |
 | Improper Validation of Specified Type of Input | 16 Mar 202622:48 | – | snyk |
| Improper Validation of Specified Type of Input | 16 Mar 202622:48 | – | snyk |
 | CVE-2026-2454 DoS in Calls plugin via malformed msgpack in websocket request. | 16 Mar 202620:10 | – | vulnrichment |
10
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.3.0",
"status": "affected",
"version": "11.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.2.2",
"status": "affected",
"version": "11.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.10",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"version": "11.4.0",
"status": "unaffected"
},
{
"version": "11.3.1",
"status": "unaffected"
},
{
"version": "11.2.3",
"status": "unaffected"
},
{
"version": "10.11.11",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
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16 Mar 2026 20:10Current
CVSS 3.15.8
EPSS0.00274