CVE-2026-58138 Details.
Orkes Conductor 3.21.21-3.30.1 - Remote Code Execution
Atlas does not check this one. Needs requests that change data.
To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check.
About CVE-2026-58138. What It Means.
Orkes Conductor from 3.21.21 before 3.30.2 is vulnerable to unauthenticated remote code execution. The INLINE workflow task evaluates a user-supplied JavaScript expression in a GraalVM context created with HostAccess.ALL, so an unauthenticated attacker can reflect from the bound input object to java.lang.Runtime and execute arbitrary operating system commands through the workflow API.
Affected Product. What Is Hit.
- Vendor
- conductor-oss
- Product
- Conductor Oss Conductor
References. Where To Read More.
- https://www.vulncheck.com/advisories/orkes-conductor-unauthenticated-rce-via-graalvm-script-evaluators
- https://github.com/conductor-oss/conductor/commit/c691e35e768caeb802c9f06ecdd9674c80081af1
- https://github.com/conductor-oss/conductor/releases/tag/v3.30.2
- https://nvd.nist.gov/vuln/detail/CVE-2026-58138
- https://github.com/BiiTts/CVE-2026-58138-Conductor-Unauth-RCE
FAQ
Common Questions.
Orkes Conductor 3.21.21-3.30.1 - Remote Code Execution. Orkes Conductor from 3.21.21 before 3.30.2 is vulnerable to unauthenticated remote code execution. The INLINE workflow task evaluates a user-supplied JavaScript expression in a GraalVM context created with HostAccess.ALL, so an unauthenticated attacker can reflect from the bound input object to java.lang.Runtime and execute arbitrary operating system commands through the workflow API.
No. To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check. The facts about CVE-2026-58138 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-58138 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Conductor Oss Conductor to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-58138. Atlas does not run a check for it, so nothing here says whether a particular site is affected.