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CVE-2026-27826 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

🗓️ 10 Mar 2026 18:46:12Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

SSRF in MCP Atlassian before 0.17.0 via unauthenticated, unvalidated Jira and Confluence headers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27826
10 Mar 202618:46
attackerkb
Circl
CVE-2026-27826
24 Feb 202611:57
circl
CNNVD
MCP Atlassian 代码问题漏洞
10 Mar 202600:00
cnnvd
CVE
CVE-2026-27826
10 Mar 202618:46
cve
EUVD
EUVD-2026-10788
10 Mar 202618:48
euvd
EUVD
EUVD-2026-10789
10 Mar 202618:46
euvd
Github Security Blog
MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers
10 Mar 202618:48
github
Nuclei
mcp-atlassian < 0.17.0 - Server-Side Request Forgery
22 Jun 202605:20
nuclei
NVD
CVE-2026-27826
10 Mar 202619:17
nvd
OSV
CVE-2026-27826 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers
10 Mar 202618:46
osv
Rows per page
[
  {
    "vendor": "sooperset",
    "product": "mcp-atlassian",
    "versions": [
      {
        "version": "< 0.17.0",
        "status": "affected"
      }
    ]
  }
]

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