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CVE-2026-56264

9.2
Critical
EPSS 0.49%Patch availableJul 1, 2026

Arbitrary JS in Crawl4AI Docker API /execute_js enables SSRF.

common questions

Is CVE-2026-56264 being exploited?

Not confirmed. CVE-2026-56264 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.49% probability of exploitation in the next 30 days.

How severe is CVE-2026-56264?

CVE-2026-56264 is rated Critical with a CVSS score of 9.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-56264?

Yes. A fix has been recorded for CVE-2026-56264. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-56264 affect?

CVE-2026-56264 affects Crawl4AI < 0.8.7 (Docker API server). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-56264?

Upgrade to 0.8.7+ and restrict API exposure

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Crawl4AI < 0.8.7 (Docker API server)
impact

Attackers can execute JS in server context and perform SSRF to internal services via /execute_js.

action required

Immediate action required

affected versions
Crawl4AI Crawl4AI
  • affected< 0.8.7
vendor says fixed in0.8.7

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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