CVE-2025-57818
📋 TL;DR
Authenticated users of Firecrawl could exploit a server-side request forgery (SSRF) vulnerability in the webhook functionality to send POST requests with arbitrary headers to internal URLs. This could potentially allow access to internal systems that should not be exposed. The vulnerability affects Firecrawl versions prior to 2.0.1.
💻 Affected Systems
- Firecrawl
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive internal systems, exfiltrate data, or pivot to other network resources.
Likely Case
Unauthorized access to internal HTTP services, potentially exposing internal APIs or systems.
If Mitigated
Limited to authenticated users only, with no access to critical systems if proper network segmentation is in place.
🎯 Exploit Status
Exploitation requires authenticated access and knowledge of internal network addresses.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.1
Vendor Advisory: https://github.com/firecrawl/firecrawl/security/advisories/GHSA-p2wg-prhf-jx79
Restart Required: No
Instructions:
1. Update Firecrawl to version 2.0.1 or later. 2. Verify the update was successful by checking the version. 3. No restart required for the fix to take effect.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Firecrawl from sensitive internal systems using firewall rules or network segmentation.
Webhook Validation
allImplement validation to restrict webhook URLs to external domains only.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Firecrawl from internal systems.
- Monitor and audit webhook configurations for suspicious internal URLs.
🔍 How to Verify
Check if Vulnerable:
Check Firecrawl version; if it's below 2.0.1, it is vulnerable.Check Version:
Check the Firecrawl application version in its interface or configuration files.Verify Fix Applied:
Confirm Firecrawl version is 2.0.1 or higher and test webhook functionality with internal URLs to ensure they are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual webhook configurations pointing to internal IPs
- Failed or successful POST requests to internal URLs from Firecrawl
Network Indicators:
- Unexpected outbound HTTP requests from Firecrawl to internal network segments
SIEM Query:
source="firecrawl" AND (url="*10.*" OR url="*192.168.*" OR url="*172.16.*" OR url="*172.17.*" OR url="*172.18.*" OR url="*172.19.*" OR url="*172.20.*" OR url="*172.21.*" OR url="*172.22.*" OR url="*172.23.*" OR url="*172.24.*" OR url="*172.25.*" OR url="*172.26.*" OR url="*172.27.*" OR url="*172.28.*" OR url="*172.29.*" OR url="*172.30.*" OR url="*172.31.*" OR url="*127.0.0.1*")🔗 References
- https://github.com/firecrawl/firecrawl/commit/b15fae51a760e9810a66bbfde5d5693d0df3fbeb
- https://github.com/firecrawl/firecrawl/commit/e8cf0985b07968061a6b684b58097732e827ed46
- https://github.com/firecrawl/firecrawl/releases/tag/v2.0.1
- https://github.com/firecrawl/firecrawl/security/advisories/GHSA-p2wg-prhf-jx79
