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CVE-2026-6618

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

Published: Apr 20, 2026Updated: Apr 20, 2026 Sources: CVE List NVD
NVD MITRE
6.3CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

CWE-918

Affected Products

dify
langgenius

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Command and Control
Initial Access
View detailed technique mapping

References

https://vuldb.com/vuln/358253
vuldb.com
https://vuldb.com/vuln/358253/cti
vuldb.com
https://vuldb.com/submit/792241
vuldb.com
and 1 more references View all →

Timeline

Published
Apr 20, 2026
Last Updated
Apr 20, 2026

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