CVE-2026-77248High 8.6MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport0.5%
CVE-2026-77256High 8.3MCP Atlassian: OAuth refresh-token backup file is world-readable under default Unix umask0.3%
CVE-2026-77249Medium 5.3MCP Atlassian: Incomplete fix for CVE-2026-27826: redirect-based SSRF via unhooked requests session in Jira user-permission lookup0.3%
CVE-2026-77259High 7.7MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials0.4%
CVE-2026-77268Medium 5.5MCP Atlassian: Insecure File Permissions on OAuth Token Storage0.2%
CVE-2026-77247High 8.3MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters0.4%
CVE-2026-77272Medium 5.4MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler0.3%
CVE-2026-77269Medium 6.5MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825)0.4%
CVE-2026-77266Medium 6.5MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call0.5%
CVE-2026-73497Medium 6.5MCP Atlassian is a Model Context Protocol (MCP): DNS-rebinding TOCTOU bypass of the SSRF fix (CVE-2026-27826): unauthenticated SSRF to cloud metadata0.4%
CVE-2026-73496High 7.7MCP Atlassian: Arbitrary server-side file read via attachment upload0.5%
CVE-2026-73498High 7.7MCP Atlassian is a Model Context Protocol (MCP): Arbitrary file read via missing path validation in confluence_upload_attachment0.5%
CVE-2026-27825Critical 9.1MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment12.3%
CVE-2026-27826High 8.2MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers13.9%