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Vulnerability record · CVE-2026-56265 · published 21 June 2026

CVE-2026-56265: Kidocode crawl4ai hard-coded credentials vulnerability

Kidocode · Crawl4ai

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

9.3 CVSS 4.0 Critical EPSS 2.6% · top 15.0% CWE-798 · Hard-coded credentials
9.3CVSS 4.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
26 Jun 2026Last modified by NVD

Description

Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server. Attackers who know the default key can forge valid authentication tokens for any user, bypassing authentication and gaining full access to protected functionality.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/unclecode/crawl4ai Product
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg MitigationVendor Advisory
https://www.vulncheck.com/advisories/crawl4ai-authentication-bypass-via-hardcoded-jwt-signing-key Third Party Advisory
https://github.com/unclecode/crawl4ai/security/advisories/GHSA-365w-hqf6-vxfg MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-57572Kidocode crawl4ai argument injection vulnerabilityCrawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server accepted request-supplied browser_config.extra…EPSS 0.94%10.0CVE-2026-53753Kidocode crawl4ai code injection vulnerabilityCrawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.7, the _safe_eval_expression() function in the computed fields feature us…EPSS 2.9%10.0CVE-2026-26216Kidocode crawl4ai code injection vulnerabilityCrawl4AI versions prior to 0.8.0 contain a remote code execution vulnerability in the Docker API deployment. The /crawl endpoint accepts a hooks para…EPSS 1.7%9.6CVE-2026-57571Kidocode crawl4ai path traversal vulnerabilityCrawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the crawler saves a downloaded file, the destination filename w…EPSS 0.81%9.2CVE-2026-56261Kidocode crawl4ai server-side request forgery (ssrf) vulnerabilityCrawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which…EPSS 0.51%9.2CVE-2026-56264Kidocode crawl4ai code injection vulnerabilityCrawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and exe…EPSS 0.49%9.2CVE-2026-56258Kidocode crawl4ai path traversal vulnerabilityCrawl4AI before 0.8.8 contains an arbitrary file write vulnerability in the screenshot and PDF endpoints that allows unauthenticated attackers to wri…EPSS 0.91%9.2CVE-2026-56266Kidocode crawl4ai server-side request forgery (ssrf) vulnerabilityCrawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary…EPSS 0.48%

Source: NIST National Vulnerability Database (record CVE-2026-56265), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.