WRITEUP

WRITEUP
Exploit for CVE-2026-27825 - MCP Atlassian <0.17.0 - Path Traversal
AI Analysis

This patch addresses a path traversal vulnerability in the MCP Atlassian library by introducing a `validate_safe_path` utility that resolves symlinks and validates path containment. The fix guards Confluence and Jira attachment download functions against directory traversal attacks.

Attack Type
other
Complexity
moderate
Reliability
reliable
MITRE ATT&CK
T1190 - Exploit Public-Facing Application
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Authors
Hyeonsoo Lee
Vulnerability
CVE-2026-27825
MCP Atlassian <0.17.0 - Path Traversal
CRITICAL
CVSS 9.0