CVE-2026-56262
Crawl4AI: Multiple Docker API Vulnerabilities - File Write, SSRF, Auth Bypass, XSS, JS Execution
9.8
CRITICAL
CVSS 3.1
EPSS 0.42%
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.
How to fix CVE-2026-56262
To remediate CVE-2026-56262, upgrade the affected package to a fixed version below.
- —upgrade to 0.8.7 or later
- —upgrade to 0.8.7 or later
- —upgrade to 0.8.7 or later
- —upgrade to 0.8.7 or later
- —upgrade to 0.8.7 or later
- —upgrade to 0.8.7 or later
Is CVE-2026-56262 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 0.8.7
- from 0, < 0.8.7
- from 0, < 0.8.7
- from 0, < 0.8.7
- from 0, < 0.8.7
- from 0, < 0.8.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |