| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-4339 | 29 Jun 202621:46 | – | circl |
 | CVE-2026-4339 SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server | 26 Jun 202614:44 | – | cvelist |
 | EUVD-2026-39779 | 26 Jun 202615:32 | – | euvd |
 | CVE-2026-4339 | 26 Jun 202615:16 | – | nvd |
 | PT-2026-52722 | 26 Jun 202600:00 | – | ptsecurity |
 | CVE-2026-4339 SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server | 26 Jun 202614:44 | – | vulnrichment |
Node
OR
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "10.11.18",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.6.3",
"status": "affected",
"version": "11.6.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.5.6",
"status": "affected",
"version": "11.5.0",
"versionType": "semver"
},
{
"version": "11.7.0",
"status": "unaffected"
},
{
"version": "10.11.19",
"status": "unaffected"
},
{
"version": "11.6.4",
"status": "unaffected"
},
{
"version": "11.5.7",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
Data
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29 Jun 2026 19:26Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00104
SSVC