CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-86349 | 14 Sep 202614:47 | – | circl |
 | CVE-2026-86349 | 14 Sep 202613:51 | – | cve |
 | EUVD-2026-77480 | 14 Sep 202613:51 | – | euvd |
 | CVE-2026-86349 | 14 Sep 202614:17 | – | nvd |
 | PT-2026-91239 | 14 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting | 14 Sep 202613:51 | – | vulnrichment |
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.9.0",
"status": "affected",
"version": "11.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.8.4",
"status": "affected",
"version": "11.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.7.8",
"status": "affected",
"version": "11.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.22",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"version": "11.10.0",
"status": "unaffected"
},
{
"version": "11.9.1",
"status": "unaffected"
},
{
"version": "11.8.5",
"status": "unaffected"
},
{
"version": "11.7.9",
"status": "unaffected"
},
{
"version": "10.11.23",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
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14 Sep 2026 13:51Current
CVSS 3.14.3