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CVE-2026-58138

Orkes Conductor 3.21.21 < 3.30.2 Unauthenticated RCE via GraalVM Script Evaluators

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.30.2
1 on Exploit-DB, 7 proofs of concept on GitHub, 1 Nuclei template
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated
  4. Public exploit on Exploit-DB

    EDB-52633

Affected versions

  • conductor-oss conductor

    From 3.21.21 · fixed in 3.30.2

References 14

GitHub · conductor-oss/conductor

cve.org

vulncheck.com

Exploit-DB

GitHub · projectdiscovery/nuclei-templates

GitHub · 0xBlackash/CVE-2026-58138

GitHub · 0xgh057r3c0n/CVE-2026-58138

GitHub · BiiTts/CVE-2026-58138-Conductor-Unauth-RCE

GitHub · Ch4120N/CVE-2026-58138

GitHub · Ez4rd1x1/CVE-2026-58138-Research

GitHub · Procjevt/CVE-2026-58138

GitHub · seqra/cve-2026-58138