CVE-2026-56265
CriticalPublic exploitCrawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server.
Published Jun 21, 2026 · Updated Sep 23, 2026 · Also known as EUVD-2026-38170, GHSA-8qrg-7j2f-rf2h
Key Facts
Patch immediately- CVE-2026-56265 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Crawl4AI (Kidocode).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 2.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including Crawl4AI 0.8.7.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
CVSS v4
9.3
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
EPSS (30-day exploit likelihood)
2.6%
Higher than 85.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Crawl4AIKidocode | See advisory | 0.8.7 |
Patched Releases
Crawl4AI
0.8.7
Timeline
Publicly disclosed
Jun 21, 2026
Last updated
Sep 23, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-306 Missing Authentication for Critical Function
- CWE-798 Use of Hard-coded Credentials
- CWE-918 Server-Side Request Forgery (SSRF)
References
- advisoryhttps://github.com/advisories/GHSA-53rg-46cm-4g2v
- advisoryGHSA advisory
- advisoryhttps://github.com/advisories/GHSA-f23g-2f38-gg94
- advisoryhttps://github.com/advisories/GHSA-g2pv-76hm-j4x9
- advisoryhttps://github.com/advisories/GHSA-r9hw-78q5-478g
FAQ
Common Questions.
Crawl4AI before 0.8.7 contains an authentication bypass vulnerability due to a hardcoded default JWT signing key in the Docker API server.
Affected: Crawl4AI (Kidocode). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Crawl4AI 0.8.7.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
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