CVE-2026-54607

Description

FastGPT is a knowledge-based AI application platform. Prior to 4.15.0-beta4, the HTTP-tool OpenAPI schema importer validates only the top-level URL before passing it to SwaggerParser.bundle, whose remote reference resolver fetches $ref URLs without FastGPT's internal-address guard and returns fetched content inline, allowing an authenticated team member to read internal services or cloud metadata. This issue is fixed in version 4.15.0-beta4.

CVSS Vector

References

• https://github.com/labring/FastGPT/commit/1d7b8768aecd53ae59372fd68b10af0e80722c79
• https://github.com/labring/FastGPT/pull/7073
• https://github.com/labring/FastGPT/releases/tag/v4.15.0-beta4
• https://github.com/labring/FastGPT/security/advisories/GHSA-72hf-5382-2mq9
• https://github.com/labring/FastGPT/security/advisories/GHSA-72hf-5382-2mq9