CVE-2026-6618 Details
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.
A server-side request forgery (SSRF) vulnerability has been identified in the LangGenius Dify application, affecting versions through 1.13.3. The issue resides in the ApiBasedToolSchemaParser component, specifically within the parse_openai_plugin_json_to_tool_bundle function in parser.py. This vulnerability allows authenticated users to manipulate the url parameter, bypassing the application's SSRF protections and potentially accessing internal network resources.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 20, 2026CISA-ADP
Assessed Apr 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/chenhouser2025/d7b1c574b0e32eb9169f7046b486e662 | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/792241 | [email protected] | ExploitIssue TrackingTechnical Description |
| https://vuldb.com/vuln/358253 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/358253/cti | [email protected] |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| langgenius dify | <= 1.13.3 (semver) |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 20, 2026 | New CVE Received | [email protected] |