Server-Side Request Forgery in Helicone ai-gateway

Publication date: 2026-07-12

Last updated on: 2026-07-12

Assigner: VulDB

Description

A flaw has been found in Helicone ai-gateway up to 0.2.0-beta.30. This affects the function build_target_url of the file ai-gateway/src/dispatcher/service.rs of the component AWS Metadata Service. Executing a manipulation of the argument extracted_path_and_query can lead to server-side request forgery. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-12

Last Modified

2026-07-12

Generated

2026-07-13

AI Q&A

2026-07-13

EPSS Evaluated

N/A

NVD

CVE-2026-15508

Affected Vendors & Products

Vendor	Product	Version / Range
helicone	ai-gateway	to 0.2.0-beta.30 (inc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This vulnerability is a flaw in the Helicone ai-gateway software, specifically in the function build_target_url within the AWS Metadata Service component. It involves manipulation of an argument called extracted_path_and_query, which can be exploited to perform a server-side request forgery (SSRF) attack. This means an attacker can make the server send unauthorized requests to other internal or external systems.

The attack can be executed remotely, and an exploit for this vulnerability has already been published. The vendor was informed early but did not respond.

Impact Analysis

This vulnerability can allow an attacker to make the vulnerable server send unauthorized requests to other systems, potentially accessing internal resources or sensitive information that should not be exposed. This can lead to information disclosure, unauthorized access, or further attacks within the network.

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