[mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token

MCP Atlassian: Unauthenticated HTTP MCP requests can use globally configured Jira and Confluence credentials

MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of CVE-2026-27825)

MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path

MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport

MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue

MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825)

MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches

MCP Atlassian: SSRF Protection Bypass

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

MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials

MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()

MCP Atlassian: Arbitrary server-side file read via attachment upload

MCP Atlassian is a Model Context Protocol (MCP): Arbitrary file read via missing path validation in confluence_upload_attachment

MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira)

MCP Atlassian: Incomplete fix for CVE-2026-27826: DNS rebinding bypasses SSRF validation (validated IP not pinned)

MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow

MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files

MCP Atlassian: OAuth refresh-token backup file is world-readable under default Unix umask

MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters

MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825)

MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call

MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths

MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud)

MCP Atlassian: JIRA_PROJECTS_FILTER and CONFLUENCE_SPACES_FILTER can be bypassed in search tools

mcp-atlassian has an incomplete SSRF remediation

MCP Atlassian: Arbitrary File Read via Upload Attachment Tools

MCP Atlassian is a Model Context Protocol (MCP): DNS-rebinding TOCTOU bypass of the SSRF fix (CVE-2026-27826): unauthenticated SSRF to cloud metadata

MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler

MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

MCP Atlassian: Insecure File Permissions on OAuth Token Storage

MCP Atlassian: Incomplete fix for CVE-2026-27826: redirect-based SSRF via unhooked requests session in Jira user-permission lookup