Vulnerability Details CVE-2026-56264
Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and executes arbitrary user-supplied JavaScript in the server's browser context with --disable-web-security enabled. An attacker can execute arbitrary JavaScript and, combined with the browser's relaxed security settings, perform server-side request forgery against internal services.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 40.5%
CVSS Severity
CVSS v3 Score 8.1
References
Products affected by CVE-2026-56264
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cpe:2.3:a:kidocode:crawl4ai:0.1.0
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cpe:2.3:a:kidocode:crawl4ai:0.2.0
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cpe:2.3:a:kidocode:crawl4ai:0.2.1
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cpe:2.3:a:kidocode:crawl4ai:0.2.2
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cpe:2.3:a:kidocode:crawl4ai:0.2.4
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cpe:2.3:a:kidocode:crawl4ai:0.2.6
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cpe:2.3:a:kidocode:crawl4ai:0.2.7
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cpe:2.3:a:kidocode:crawl4ai:0.2.71
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cpe:2.3:a:kidocode:crawl4ai:0.2.72
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cpe:2.3:a:kidocode:crawl4ai:0.2.73
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cpe:2.3:a:kidocode:crawl4ai:0.2.74
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cpe:2.3:a:kidocode:crawl4ai:0.2.77
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cpe:2.3:a:kidocode:crawl4ai:0.3.0
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cpe:2.3:a:kidocode:crawl4ai:0.3.3
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cpe:2.3:a:kidocode:crawl4ai:0.3.6
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cpe:2.3:a:kidocode:crawl4ai:0.3.745
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cpe:2.3:a:kidocode:crawl4ai:0.3.746
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cpe:2.3:a:kidocode:crawl4ai:0.4.24
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cpe:2.3:a:kidocode:crawl4ai:0.4.243
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cpe:2.3:a:kidocode:crawl4ai:0.4.247
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cpe:2.3:a:kidocode:crawl4ai:0.5.0
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cpe:2.3:a:kidocode:crawl4ai:0.6.0
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cpe:2.3:a:kidocode:crawl4ai:0.6.3
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cpe:2.3:a:kidocode:crawl4ai:0.7.0
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cpe:2.3:a:kidocode:crawl4ai:0.7.1
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cpe:2.3:a:kidocode:crawl4ai:0.7.2
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cpe:2.3:a:kidocode:crawl4ai:0.7.3
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cpe:2.3:a:kidocode:crawl4ai:0.7.4
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cpe:2.3:a:kidocode:crawl4ai:0.7.5
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cpe:2.3:a:kidocode:crawl4ai:0.7.6
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cpe:2.3:a:kidocode:crawl4ai:0.7.7
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cpe:2.3:a:kidocode:crawl4ai:0.7.8
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cpe:2.3:a:kidocode:crawl4ai:0.8.0
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cpe:2.3:a:kidocode:crawl4ai:0.8.5
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cpe:2.3:a:kidocode:crawl4ai:0.8.6