Server-Side Request Forgery Vulnerability in Helicone ai-gateway
CVE-2026-15508

5.3MEDIUM

Key Information:

Vendor

Helicone

Status
Ai-gateway
Vendor
CVE Published:
12 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15508?

A vulnerability has been identified in Helicone ai-gateway up to version 0.2.0-beta.30, specifically in the AWS Metadata Service component. The flaw exists within the 'build_target_url' function located in 'ai-gateway/src/dispatcher/service.rs', where improper validation of the 'extracted_path_and_query' argument can allow an attacker to execute a remote server-side request forgery (SSRF) attack. This type of exploitation could potentially lead to unauthorized access to backend services or sensitive data. The vendor was informed about this issue but has not provided a response.

Affected Version(s)

ai-gateway 0.2.0-beta.0

ai-gateway 0.2.0-beta.1

ai-gateway 0.2.0-beta.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-15508 - Proof of Concept

References

https://vuldb.com/vuln/377837
vdb-entrytechnical-description
https://vuldb.com/vuln/377837/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15508
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

havel8964 (VulDB User)
VulDB CNA Team
.