CVE-2026-85606 firecrawl-mcp-server 3.20.2 Arbitrary Local File Read via filePath
Attackers can read arbitrary local files, including credentials, by supplying malicious file paths to the firecrawl_parse tool in firecrawl-mcp-server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85606?
CVE-2026-85606 is a high-severity path traversal vulnerability in firecrawl-mcp-server, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-85606?
How do I fix CVE-2026-85606?
No fix has been published for CVE-2026-85606 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-85606 being exploited?
There is no known exploitation of CVE-2026-85606 in the wild and no public exploit code.
Sources
Also known as GHSA-q267-2jg6-m7vc.