CVE-2026-4215
Server-Side Request Forgery in FlowCI SMTP Host Handler
Publication date: 2026-03-16
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 |
|---|---|---|
| flowci | flow-core-x | to 1.23.01 (inc) |
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 is a security flaw found in the FlowCI flow-core-x component, specifically in the Save function of the SMTP Host Handler. It allows an attacker to perform server-side request forgery (SSRF), meaning the attacker can make the server send unauthorized requests to other systems. The attack can be executed remotely, and the exploit code has been publicly released.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing an attacker to manipulate the server into making unauthorized requests to internal or external systems. This can lead to information disclosure, unauthorized access to internal services, or further exploitation of the network. Since the exploit is publicly available, the risk of attack is increased.
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