Crawl4ai
CVE-2025-28197
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
Crawl4AI <=0.4.247 is vulnerable to SSRF in /crawl4ai/async_dispatcher.py.
AnalysisAI
Crawl4AI <=0.4.247 is vulnerable to SSRF in /crawl4ai/async_dispatcher.py. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Crawl4AI <=0.4.247 is vulnerable to SSRF in /crawl4ai/async_dispatcher.py. Affected products include: Kidocode Crawl4Ai.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.
Authentication bypass in Crawl4AI Docker API server (versions prior to 0.8.7) allows remote unauthenticated attackers to
Arbitrary local file disclosure in Crawl4AI's Docker API (versions before 0.8.0) lets unauthenticated remote attackers r
Remote code execution in Crawl4AI's Docker API server (versions prior to 0.9.0) lets unauthenticated attackers run arbit
Remote code execution in Crawl4AI Docker API before 0.8.0 via hooks parameter. The /crawl endpoint accepts Python code i
Arbitrary file write in Crawl4AI (the open-source LLM-friendly web crawler by unclecode) before version 0.9.0 lets a mal
Arbitrary file write in Crawl4AI Docker API server before 0.8.8 lets unauthenticated remote attackers escape the ALLOWED
Arbitrary JavaScript execution in Crawl4AI's Docker API server (versions before 0.8.7) lets remote attackers submit code
Server-side request forgery in Crawl4AI's Docker API server (versions before 0.8.7) allows remote unauthenticated attack
Server-side request forgery in Crawl4AI before 0.8.7 allows unauthenticated remote attackers to coerce the server into f
Arbitrary file write in Crawl4AI's Docker API server (versions before 0.8.7) lets remote unauthenticated attackers overw
Credential exfiltration in Crawl4AI's Docker API server (all versions before 0.8.8) lets remote unauthenticated attacker
Denial of service in Crawl4AI before 0.9.3 lets untrusted clients exhaust disk, CPU and bandwidth on shared worker proce
Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
Leaving vuln.today