CVE-2026-61643
5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N
Summary
FastGPT is a knowledge-based AI application platform. From 4.14.17 until 4.15.0-beta5, an authenticated FastGPT user can save a workflow node that points to another user's private HTTP toolset by using a crafted saved tool id such as http-<victim_toolset_app_id>/<tool_name>. The normal toolset routes deny access, but the workflow save and runtime path did not apply the same authorization check to the referenced toolset, allowing /api/v2/chat/completions to resolve the saved reference and execute the victim-owned HTTP tool. This issue is fixed in version 4.15.0-beta5.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| labring | FastGPT | >= 4.14.17, < 4.15.0-beta5 | affected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
References
- https://github.com/labring/FastGPT/security/advisories/GHSA-93r3-wqq3-c5ch
- https://github.com/labring/FastGPT/releases/tag/v4.15.0-beta5
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