CVE-2026-124507 · Runtime
NO FIX YET
Conductor, an open-source workflow orchestration server, lets a workflow task fetch a URL supplied as input without restricting the destination. An attacker who can start such a workflow can make the server send requests to internal addresses it can reach.
first public Nov 9, 2026 · 1 source
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Teams that run Conductor and expose workflow start or the PLANNER_CONTEXT_FETCH task to users or external input can be affected. Installations where only trusted internal users can define or start workflows are lower risk. The sources do not say which fixed version contains the patch.
Not affected if auth-required, managed-hosting
Who cares conductor, java, self-hosted
3.32.4, 3.33.0, 3.34.0-rc3, 4.0.0-alpha.1No fix yet, per the sources.
A vulnerability was found in conductor-oss conductor up to 3.32.4/3.33.0/3.34.0-rc3/4.0.0-alpha.1. This issue affects the function WorkflowSystemTask.start of the file PlannerContextFetchTask.java of the component PLANNER_CONTEXT_FETCH Task Handler. The manipulation of the argument url results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. The researcher claims to have submitted a GHSA on the repository of the project.
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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
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