PT-2026-105849

Summary The upload attachment functions in both the Jira and Confluence modules accept a user-controlled file path parameter and open the specified file for reading without calling validate safe path. An authenticated MCP client can supply an arbitrary path such as /etc/passwd or...

PT-2026-96928

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description An arbitrary local file read issue exists in the Confluence and Jira upload attachment tool paths. The implementation accepts an unconstrained file path and opens the referenced server-local...

PT-2026-96901

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description The upload attachment function in src/mcp atlassian/confluence/attachments.py fails to call validate safe path, allowing it to accept a caller-controlled file path and open server-local files...

PT-2026-96903

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description The Jira and Confluence attachment upload tools fail to validate file paths, allowing for path traversal. An authenticated MCP client or an AI assistant manipulated via prompt injection can...

PT-2026-96942

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description Jira and Confluence upload tools interpret caller-controlled path arguments on the MCP server and open those files before sending them as attachments. This allows a permitted client to disclos...

PT-2026-96945

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description Jira and Confluence attachment upload tools accept arbitrary local filesystem paths and send the selected bytes to Atlassian. In HTTP or multi-user deployments, a caller can cross the...

PT-2026-96951

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions 0.17.0 through 0.21.0 Description A path traversal issue exists in the confluence upload attachment tool. The file path variable is passed directly to the open function without proper validation, allowing a caller to rea...

PT-2026-96950

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description Missing path validation in the confluence upload attachment function allows an authenticated client to read arbitrary files from the server filesystem and exfiltrate their contents to a...

PT-2026-96943

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description In multi-user HTTP deployments using the --transport streamable-http configuration, the server exposes all tools to unauthenticated network clients. This occurs because the UserTokenMiddleware...

EUVD-2026-77795

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the confluenceuploadattachment and confluenceuploadattachments tools pass a client-controlled filepath through src/mcpatlassian/confluence/attachments.py uploadattachment, and the...

PT-2026-80655

Summary confluence upload attachment passes file path directly to openfile path, "rb" with no path validation. Any authenticated MCP client — or an AI agent manipulated via prompt injection — can read any file the server process can access and exfiltrate it to Confluence as an attachment. Details...

mcp-atlassian-poc

mcp-atlassian-poc Proof of concept for an arbitrary file read...

mcp-atlassian: Arbitrary file read via missing path validation in confluence_upload_attachment

Summary confluenceuploadattachment passes filepath directly to openfilepath, "rb" with no path validation. Any authenticated MCP client — or an AI agent manipulated via prompt injection — can read any file the server process can access and exfiltrate it to Confluence as an attachment. Details Roo...

GHSA-G5R6-GV6M-F5JV mcp-atlassian: Arbitrary file read via missing path validation in confluence_upload_attachment

Summary confluenceuploadattachment passes filepath directly to openfilepath, "rb" with no path validation. Any authenticated MCP client — or an AI agent manipulated via prompt injection — can read any file the server process can access and exfiltrate it to Confluence as an attachment. Details Roo...

External Control of File Name or Path

Overview mcp-atlassian is a The Model Context Protocol MCP Atlassian integration is an open-source implementation that bridges Atlassian products Jira and Confluence with AI language models following Anthropic's MCP specification. This project enables secure, contextual AI interactions with...

PT-2026-58965

Summary confluence upload attachment passes file path directly to openfile path, "rb" with no path validation. Any authenticated MCP client — or an AI agent manipulated via prompt injection — can read any file the server process can access and exfiltrate it to Confluence as an attachment. Details...

CVE-2026-11989 Bit integrations <= 2.8.7 - Unauthenticated Server-Side Request Forgery via Form Field Upload Mapping

The Bit integrations – Form Integration, Webhook, Spreadsheets, CRM, LMS & Email Automation plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.8.7 via the uploadattachment. This makes it possible for unauthenticated attackers to make web...

CVE-2026-11989 Bit integrations <= 2.8.7 - Unauthenticated Server-Side Request Forgery via Form Field Upload Mapping

The Bit integrations – Form Integration, Webhook, Spreadsheets, CRM, LMS & Email Automation plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.8.7 via the uploadattachment. This makes it possible for unauthenticated attackers to make web...

CVE-2026-11989

The Bit integrations – Form Integration, Webhook, Spreadsheets, CRM, LMS & Email Automation plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.8.7 via the uploadattachment. This makes it possible for unauthenticated attackers to make web...

PT-2025-36615

Memos 0.22 is vulnerable to Stored Cross site scripting XSS vulnerabilities by the upload attachment and user avatar features. Memos does not verify the content type of the uploaded data and serve it back as is. An authenticated attacker can use this to elevate their privileges when the stored XS...