CVE-2026-6618

MEDIUM 6.3

langgenius dify ApiBasedToolSchemaParser parser.py parse_openai_plugin_json_to_tool_bundle server-side request forgery

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in langgenius dify up to 1.13.3. This issue affects the function parse_openai_plugin_json_to_tool_bundle of the file api/core/tools/utils/parser.py of the component ApiBasedToolSchemaParser. Executing a manipulation of the argument url can lead to server-side request forgery. The attack can be launched 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.

CWE	CWE-918
Vendor	langgenius
Product	dify
Published	Apr 20, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

langgenius / dify

1.13.0 1.13.1 1.13.2 1.13.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/358253 vuldb.com: https://vuldb.com/vuln/358253/cti vuldb.com: https://vuldb.com/submit/792241 gist.github.com: https://gist.github.com/chenhouser2025/d7b1c574b0e32eb9169f7046b486e662

Credits

🔍 Eric-g (VulDB User) VulDB CNA Team