CVE WatchJul 20, 2026

CVE-2026-61643

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 nod

CVSS

5.9

Medium

EPSS

0.2%

KEV

—

Exploit Today

0-100

Published: Jul 15, 2026 · Last modified: Jul 20, 2026 · CWE-863

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-07-162026-07-30

Technical description

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.

Official references

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