Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 8.8 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N | CNA (VulnCheck) |
- CISA KEV Not listed.
- EPSS 0.026, the 85th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 12 Jul 2026, 12:06 UTC Confirmed by the CVE List
- 31 Oct 2026, 14:09 UTC First seen by agentprime
- 31 Oct 2026, 14:09 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-365w-hqf6-vxfg
- OSV: GHSA-365w-hqf6-vxfg
- github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg
- nvd.nist.gov/vuln/detail/CVE-2026-56266
- www.vulncheck.com/advisories/crawl4ai-unauthenticated-access-to-monitor-endpoints-via-docker-api-server
- www.vulncheck.com/advisories/crawl4ai-stored-cross-site-scripting-in-monitor-dashboard
- www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-webhook-urls
- www.vulncheck.com/advisories/crawl4ai-server-side-request-forgery-via-direct-crawl-endpoints
- www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key
- www.vulncheck.com/advisories/crawl4ai-arbitrary-javascript-execution-via-execute-js-endpoint
- www.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-parameter
- github.com/unclecode/crawl4ai
- github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-798.yaml
- github.com/pypa/advisory-database/tree/main/vulns/crawl4ai/PYSEC-2026-596.yaml