Crawl4AI up to 0.8.7 Docker API /llm/job base_url/api_token redirect

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Crawl4AI up to 0.8.7. Affected by this vulnerability is an unknown functionality of the file /llm/job of the component Docker API. The manipulation of the argument base_url/api_token leads to redirect. This vulnerability is documented as CVE-2026-56259. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Crawl4AI up to 0.8.7 and classified as problematic. This issue affects an unknown functionality of the file /llm/job of the component Docker API. The manipulation of the argument base_url/api_token with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity. The summary by CVE is:

Crawl4AI before 0.8.8 contains credential exfiltration vulnerabilities in the Docker API server that allow attackers to redirect LLM API calls to attacker-controlled endpoints and read arbitrary environment variables. Attackers can exploit the unauthenticated /md, /llm, and /llm/job endpoints by supplying a malicious base_url parameter and setting api_token to env:VARIABLE_NAME to exfiltrate provider API keys and server secrets including JWT SECRET_KEY for authentication bypass.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-56259 since 06/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

Upgrading to version 0.8.8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-43226). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Crawl4AI

Version

• 0.8.0
• 0.8.1
• 0.8.2
• 0.8.3
• 0.8.4
• 0.8.5
• 0.8.6
• 0.8.7

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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