CVE-2026-15508: Helicone Ai-Gateway

Medium severity, CVSS 6.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Helicone Ai-Gateway: version 0.2.0-beta.0 only; version 0.2.0-beta.1 only; version 0.2.0-beta.2 only; version 0.2.0-beta.3 only; version 0.2.0-beta.4 only; version 0.2.0-beta.5 only; …

Published 2026-07-12. Last modified 2026-07-13.