CVE-2026-85606
CVE-2026-85606
firecrawl-mcp-server 3.20.2 contains an arbitrary local file read vulnerability in the firecrawl_parse tool that accepts unconstrained filePath arguments without directory containment validation. Attackers can supply absolute paths or directory traversal sequences to read sensitive files like credentials and environment variables, which are then uploaded and returned to the model context.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85606?
- CVE-2026-85606 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-09-04.
- How severe is CVE-2026-85606?
- High severity. CVSS v3 base score is 7.5 out of 10.