CVE-2026-73498 MCP Atlassian is a Model Context Protocol (MCP): Arbitrary file read via missing path validation in confluence_upload_attachment

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, confluenceuploadattachment passes its client-supplied filepath directly to openfilepath, "rb" in src/mcpatlassian/confluence/attachments.py through uploadattachmentdirect without...

CVE-2026-73498 MCP Atlassian is a Model Context Protocol (MCP): Arbitrary file read via missing path validation in confluence_upload_attachment

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, confluenceuploadattachment passes its client-supplied filepath directly to openfilepath, "rb" in src/mcpatlassian/confluence/attachments.py through uploadattachmentdirect without...

PT-2026-71349

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description The software fails to call validate safe path when processing the file path variable within the confluence upload attachment tool. This occurs in the upload attachment direct function located ...

Atlassian Jira Limited - Local File Inclusion

Affected versions of Atlassian Jira Limited Server and Data Center are vulnerable to local file inclusion because they allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. id: CVE-2021-26086 info: name: Atlassian Jira Limited - Local...

Atlassian Confluence Server - Local File Inclusion

Atlassian Confluence Server allows remote attackers to view restricted resources via local file inclusion in the /s/ endpoint. id: CVE-2021-26085 info: name: Atlassian Confluence Server - Local File Inclusion author: princechaddha severity: medium description: Atlassian Confluence Server allows...

Stored XSS in Confluence Data Center and Server

This Critical severity Stored XSS, PrivEsc Privilege Escalation, and Security Misconfiguration vulnerability was introduced in versions 7.1.1, 7.4.0, 7.13.0, 7.17.0, 7.19.0, 8.0.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0 and 10.2.0 of Confluence Data Center and...

CVE-2025-64340 vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

CVE-2026-27124 vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

GHSA-VV7Q-7JX5-F767 vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

GHSA-RWW4-4W9C-7733 vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

GHSA-M8X7-R2RG-VH5G vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

CVE-2026-32871 vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

Jira Server and Data Center - Information Disclosure

Jira Server and Data Center is susceptible to information disclosure. An attacker can enumerate users via the QueryComponentRendererValue!Default.jspa endpoint and thus potentially access sensitive information, modify data, and/or execute unauthorized operations, Affected versions are before...

GHSA-WM45-QH3G-V83F vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

GHSA-489G-7RXV-6C8Q vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

GHSA-G5R6-GV6M-F5JV vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

PYSEC-2026-2621 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

Summary An unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL by supplying two custom HTTP headers without an Authorization header. No authentication is required. The...

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...

Directory Traversal

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...

GHSA-489G-7RXV-6C8Q MCP Atlassian: DNS-rebinding TOCTOU bypass of the SSRF fix (CVE-2026-27826)

Summary GHSA-7r34-79r5-rcc9's fix added validateurlforssrf, which resolves the attacker-controlled X-Atlassian-Jira,Confluence-Url header host once at middleware time and trusts the result. But the outbound request is later built with the raw hostname and re-resolves at connect time with no IP...