VDB-416944 · Submit #979790 · CVE-2026-109402

conductor-oss conductor 3.22.0 MCP Service MCPService.java MCPService.listTools mcpServer server-side request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	1.05-

Summaryinfo

A vulnerability labeled as critical has been found in conductor-oss conductor 3.22.0. Affected by this vulnerability is the function MCPService.listTools of the file ai/src/main/java/org/conductoross/conductor/ai/mcp/MCPService.java of the component MCP Service. Executing a manipulation of the argument mcpServer can lead to server-side request forgery. The identification of this vulnerability is CVE-2026-109402. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical was found in conductor-oss conductor 3.22.0. This vulnerability affects the function MCPService.listTools of the file ai/src/main/java/org/conductoross/conductor/ai/mcp/MCPService.java of the component MCP Service. The manipulation of the argument mcpServer with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.

This vulnerability was named CVE-2026-109402. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

conductor-oss

Name

conductor

Version

3.22.0

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/12/2026 Advisory disclosed
10/12/2026 +0 days VulDB entry created
10/12/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2026-109402 (🔒)
GCVE (CVE): GCVE-0-2026-109402
GCVE (VulDB): GCVE-100-416944
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/12/2026 16:49
Changes: 10/12/2026 16:49 (54)
Complete: 🔍
Submitter: lucasg2g
Cache ID: 216::103

Submitinfo

Accepted

Submit #979790: Conductor OSS Conductor >= 3.22.0 (audited commit ce46eac) server-side request forgery (CWE-918) (by lucasg2g)