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CVE-2026-56264

HIGH
8.1
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-56264
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-20 01:42 UTC
Published
2026-06-30 22:08 UTC
Last updated
2026-06-30 22:08 UTC
Primary CWE
CWE-94
Improper Control of Generation of Code ('Code Injection')
Vendor / Product
Crawl4AI / Crawl4AI
Sources
cve.org  ·  NVD

Severity & Metrics

8.1 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products (1)
VendorProductPlatformVersions
Crawl4AI Crawl4AI — 0 < 0.8.7, 0.8.7
Weakness (CWE)
CWESourceDescription
CWE-94 cna Improper Control of Generation of Code ('Code Injection')
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.2 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 HIGH 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References (3)
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