PT-2026-33733 · Langgenius · Dify

Eric-G · Published 2026-04-20 · Updated 2026-04-20 · CVE-2026-6618

Mitre

CVSS v3.1

6.3

Medium

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-6618

Affected Products

Dify

References · 5

• 🔥 https://gist.github.com/chenhouser2025/d7b1c574b0e32eb9169f7046b486e662 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6618 · Security Note
• https://vuldb.com/vuln/358253/cti · Note
• https://vuldb.com/submit/792241 · Note
• https://vuldb.com/vuln/358253 · Note