Server-side Request Forgery (SSRF) Affecting mcp-atlassian package, versions [,0.22.0)
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- published11 Jul 2026
- disclosed10 Jul 2026
- creditUnknown
Introduced: 10 Jul 2026
CVE NOT AVAILABLE CWE-918 (opens in a new tab)How to fix?
Upgrade mcp-atlassian to version 0.22.0 or higher.
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 Atlassian tools while maintaining data privacy and security. Key features include:
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the validate_url_for_ssrf process. An attacker can access internal resources or sensitive information by exploiting a DNS rebinding race condition between hostname validation and connection time resolution. This is only exploitable if an attacker can control a DNS server to rapidly rebind the hostname between validation and connection.