Log in Start free

Vulnerability · Published Apr 20, 2026 · Assigned by VulDB

CVE-2026-6618langgenius dify ApiBasedToolSchemaParser parser.py parse_openai_plugin_json_to_tool_bundle server-side request forgery

Medium 6.3

In plain English

A medium-severity server-side request forgery in dify from langgenius. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.2%top 89.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
langgenius dify 1.13.01.13.11.13.21.13.3

Weakness: CWE-918 · Vector: 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

References