CVE-2026-93849 Mattermost allows authenticated users to trigger excessive memory allocation via crafted msgpack binary WebSocket frames
| Reporter | Title | Published | Views | Family All 4 |
|---|---|---|---|---|
 | CVE-2026-93849 | 26 Oct 202614:25 | – | cve |
 | EUVD-2026-109937 | 26 Oct 202614:25 | – | euvd |
 | CVE-2026-93849 | 26 Oct 202615:16 | – | nvd |
 | CVE-2026-93849 Mattermost allows authenticated users to trigger excessive memory allocation via crafted msgpack binary WebSocket frames | 26 Oct 202614:25 | – | vulnrichment |
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.9.1",
"status": "affected",
"version": "11.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.8.5",
"status": "affected",
"version": "11.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.7.10",
"status": "affected",
"version": "11.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.10.1",
"status": "affected",
"version": "11.10.0",
"versionType": "semver"
},
{
"version": "11.11.0",
"status": "unaffected"
},
{
"version": "11.9.2",
"status": "unaffected"
},
{
"version": "11.8.6",
"status": "unaffected"
},
{
"version": "11.7.11",
"status": "unaffected"
},
{
"version": "11.10.2",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
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26 Oct 2026 14:25Current
CVSS 3.16.5
SSVC