SSRF in Langgenius Dify

CVE-2026-6617

A vulnerability was detected in langgenius dify up to 0.6.9. This vulnerability affects the function get_api_tool_provider_remote_schema of the file api/services/tools/api_tools_manage_service.py of the component ApiToolManageService. Performing a manipulation of the argument url results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (10.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6617?
CVE-2026-6617 is a medium-severity vulnerability in Langgenius Dify, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-04-20.
How severe is CVE-2026-6617?
Medium severity. CVSS v3 base score is 6.3 out of 10.