# CVE-2026-15508: Helicone ai-gateway AWS Metadata Service service.rs build_target_url server-side request forgery

> CVE-2026-15508: Helicone ai-gateway AWS Metadata Service service.rs build_target_url server-side request forgery. CVSS 6.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-15508
Last updated: 2026-10-24T22:10:00Z

- Published: 2026-07-12 22:15 UTC · Updated: 2026-10-24 22:10 UTC · Assigner: VulDB
- CVSS: 6.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- EPSS: 0.35%, 28th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-918

## 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.

## Affected vendors and products

- Helicone: ai-gateway

## Tracked companies

- [Helicone](https://rewindex.com/company/helicone.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-15508)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-15508)
- [https://github.com/oscar2744/CVE-Submit/issues/1](https://github.com/oscar2744/CVE-Submit/issues/1)
- [https://vuldb.com/cve/CVE-2026-15508](https://vuldb.com/cve/CVE-2026-15508)
- [https://vuldb.com/submit/845671](https://vuldb.com/submit/845671)
- [https://vuldb.com/vuln/377837](https://vuldb.com/vuln/377837)
- [https://vuldb.com/vuln/377837/cti](https://vuldb.com/vuln/377837/cti)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-15508 · Markdown: https://rewindex.com/cve/CVE-2026-15508.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-15508 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:25.109Z