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CVE-2026-53755

Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.9, the Docker API server applied its SSRF destination check to the crawl target URL only, not to the proxy address. An unauthenticated request could supply a proxy pointing at an internal IP and route the browser through it, reaching internal services and cloud-metadata endpoints, while using a perfectly valid crawl URL. The Docker API is unauthenticated by default. /crawl, /crawl/stream, and /crawl/job accept a browser_
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cbc7148ff8881a8f82b29e75daca56b9e362b8efd03270494a925ea92986397a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"crawl4ai","vendor":"unclecode","versions":[{"status":"affected","version":"< 0.8.9"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b18d99a5b125239543d801b58b0a7174e19f0e4f6c3e3f7e2d1e02ed5cc2da23 · sha256:7fd00042479db118… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b18d99a5b125239543d801b58b0a7174e19f0e4f6c3e3f7e2d1e02ed5cc2da23 · sha256:7fd00042479db118… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b18d99a5b125239543d801b58b0a7174e19f0e4f6c3e3f7e2d1e02ed5cc2da23 · sha256:7fd00042479db118… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-6qhc-x826-342c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/unclecode/crawl4ai/security/advisories/GHSA-6qhc-x826-342c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b18d99a5b125239543d801b58b0a7174e19f0e4f6c3e3f7e2d1e02ed5cc2da23 · sha256:7fd00042479db118… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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