| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-77246 | 22 Sep 202622:36 | – | circl |
 | CVE-2026-77246 MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path | 22 Sep 202618:51 | – | cvelist |
 | EUVD-2026-84771 | 22 Sep 202618:51 | – | euvd |
 | MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path | 22 Sep 202620:34 | – | github |
 | CVE-2026-77246 | 22 Sep 202618:51 | – | mend |
 | CVE-2026-77246 | 22 Sep 202619:16 | – | nvd |
 | GHSA-WV8V-V4C5-V75J MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path | 22 Sep 202620:34 | – | osv |
| PYSEC-2026-4104 MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path | 1 Oct 202616:38 | – | osv |
 | PT-2026-105853 | 1 Oct 202600:00 | – | ptsecurity |
| PT-2026-97002 | 22 Sep 202600:00 | – | ptsecurity |
10
Node
[
{
"vendor": "sooperset",
"product": "mcp-atlassian",
"versions": [
{
"version": "< 0.22.0",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| X-Atlassian-Confluence-Url | header | /confluence_upload_attachment | HTTP header used to select attacker-controlled host/domain for MCP processing. | CWE-200, CWE-22, CWE-441 |
| file_path | request body | /confluence_upload_attachment | Attacker-supplied server-local file_path used by MCP to send the file to a chosen attachment endpoint. | CWE-200, CWE-22, CWE-441 |
Data
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28 Sep 2026 14:31Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.4 - 8.6
EPSS0.00428
SSVC