CVE-2026-4528
Server-Side Request Forgery in trueleaf ApiFlow URL Validation
Publication date: 2026-03-21
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| trueleaf | apiflow | 0.9.7 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-918 | The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in trueleaf ApiFlow version 0.9.7, specifically in the function validateUrlSecurity within the URL Validation Handler component. The issue allows an attacker to manipulate the function, causing server-side request forgery (SSRF). This means an attacker can make the server send unauthorized requests to other internal or external systems. The vulnerability can be exploited remotely and has been publicly disclosed.
How can this vulnerability impact me? :
The vulnerability can lead to server-side request forgery, which may allow attackers to access or interact with internal systems that are not normally accessible from the outside. This can result in unauthorized data access, information disclosure, or further attacks on internal services. Because the exploit can be performed remotely without authentication, it poses a significant security risk.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know