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high advisory

SSRF Protection Bypass in mcp-atlassian

The mcp-atlassian library is vulnerable to an SSRF bypass (CVE-2026-77274) due to a URL parsing discrepancy between the security validator and the HTTP client, allowing attackers to access internal or loopback services.

mcp-atlassian ssrf application-vulnerability lfd mcp atlassian confluence jira cve-2026-77257
1r 2t 1c