Orkes Conductor 3.21.21 < 3.30.2 Unauthenticated RCE via GraalVM Script Evaluators
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2026-58138. PoCs published by BiiTts.
AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-58138, demonstrating unauthenticated remote code execution in Orkes/OSS Conductor via an INLINE task with a malicious JavaScript expression. The exploit leverages GraalVM's unsandboxed context to reflectively execute arbitrary commands on the host.
Description
Orkes Conductor 3.21.21 before 3.30.2 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary OS commands by submitting inline workflow definitions containing malicious JavaScript or Python expressions to the workflow API endpoint prior to authentication. Attackers can exploit unsandboxed GraalVM evaluators configured with HostAccess.ALL or allowAllAccess(true) through INLINE, LAMBDA, DO_WHILE, and SWITCH task types to invoke arbitrary system commands via Java reflection or direct subprocess calls.
Exploits (1)
This repository contains a functional exploit for CVE-2026-58138, demonstrating unauthenticated remote code execution in Orkes/OSS Conductor via an INLINE task with a malicious JavaScript expression. The exploit leverages GraalVM's unsandboxed context to reflectively execute arbitrary commands on the host.
References (5)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H