Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/conductor-oss/conductor/commit/87a7d96aabbb706d6e84f812b93da5
- https://github.com/conductor-oss/conductor/commit/c691e35e768caeb802c9f06ecdd967
- https://github.com/conductor-oss/conductor/releases/tag/v3.30.2
- https://www.cve.org/CVERecord?id=CVE-2025-26074
- https://www.vulncheck.com/advisories/orkes-conductor-unauthenticated-rce-via-gra
FAQ
What is CVE-2026-58138?
CVE-2026-58138 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 defini...
How severe is CVE-2026-58138?
CVE-2026-58138 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-58138?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.