CVE-2026-109402 conductor-oss conductor MCP Service MCPService.java MCPService.listTools server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the Conductor MCP Service to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109402?
CVE-2026-109402 is a medium-severity server-side request forgery vulnerability in conductor-oss conductor, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2026-109402?
How do I fix CVE-2026-109402?
No fix has been published for CVE-2026-109402 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-109402 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109402 exists.
Sources
Also known as GHSA-36mx-2w99-hqwq.