| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-4339 | 29 Jun 202621:46 | – | circl |
 | CVE-2026-4339 | 26 Jun 202614:44 | – | cve |
 | CVE-2026-4339 SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server | 26 Jun 202614:44 | – | cvelist |
 | 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 |
[
{
"enisaIdVendor": [
{
"id": "a1b20d3b-2562-3ecf-9a80-970aa707c368",
"vendor": {
"name": "Mattermost"
}
}
],
"enisaIdProduct": [
{
"id": "0686c2b8-b334-3cae-a926-5b038c537839",
"product": {
"name": "Mattermost",
"vendor": {
"name": "Mattermost"
}
},
"product_version": "11.6.0 ≤11.6.3"
},
{
"id": "60e071de-e4e1-30f6-aa0e-4b08f6ffbf25",
"product": {
"name": "Mattermost",
"vendor": {
"name": "Mattermost"
}
},
"product_version": "11.5.0 ≤11.5.6"
},
{
"id": "a2d61d78-5137-3ed5-aac0-0d750408ce81",
"product": {
"name": "Mattermost",
"vendor": {
"name": "Mattermost"
}
},
"product_version": "10.11.0 ≤10.11.18"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
| nvd | www.nvd.nist.gov/vuln/detail/CVE-2026-4339 |
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26 Jun 2026 15:32Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00104
SSVC