6.5
MEDIUM CVSS 2.0
CVE-2026-109402
conductor-oss conductor MCP Service MCPService.java MCPService.listTools server-side request forgery
Description

A vulnerability was found in conductor-oss conductor 3.22.0. Affected is the function MCPService.listTools of the file ai/src/main/java/org/conductoross/conductor/ai/mcp/MCPService.java of the component MCP Service. Performing a manipulation of the argument mcpServer results in server-side request forgery. The attack may be initiated remotely. The exploit has been made public and could be used.

INFO

Published Date :

Oct. 13, 2026, 12:17 p.m.

Last Modified :

Oct. 13, 2026, 12:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-109402 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Conductor-oss conductor
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Update conductor-oss to a version that addresses the SSRF vulnerability in MCPService.listTools.
  • Update conductor-oss to the latest version.
  • Review and validate MCPService.listTools input sanitization.
  • Restrict network access for MCPService.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-109402.

URL Resource
https://vuldb.com/cve/CVE-2026-109402
https://vuldb.com/submit/979790
https://vuldb.com/vuln/416944
https://vuldb.com/vuln/416944/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-109402 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-109402 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-109402 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-109402 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 13, 2026

    Action Type Old Value New Value
    Added Description A vulnerability was found in conductor-oss conductor 3.22.0. Affected is the function MCPService.listTools of the file ai/src/main/java/org/conductoross/conductor/ai/mcp/MCPService.java of the component MCP Service. Performing a manipulation of the argument mcpServer results in server-side request forgery. The attack may be initiated remotely. The exploit has been made public and could be used.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-918
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/109xxx/CVE-2026-109402.json">CVE-2026-109402</a>
    Added Reference https://vuldb.com/cve/CVE-2026-109402
    Added Reference https://vuldb.com/submit/979790
    Added Reference https://vuldb.com/vuln/416944
    Added Reference https://vuldb.com/vuln/416944/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.