PatchTheCVECVE-2026-58138: Orkes Conductor 3.21.21 before 3.30.2 contains an unauthenticated remote code execution vulnerability that all
CVE-2026-58138 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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_W
Why this priority
- Critical severity
- EPSS top 5%: very likely to be exploited
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 9.1% (top 5%) |
| CISA exploited list | No |
| Weakness | CWE-94 |
| Published | 2026-06-30 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: 0xBlackash/CVE-2026-58138 (3 stars)
- GitHub PoC: Ch4120N/CVE-2026-58138 (2 stars)
- GitHub PoC: BiiTts/CVE-2026-58138-Conductor-Unauth-RCE (0 stars)
- Exploit-DB: OrkesConductor 3.30.2 - Unauthenticated Remote Code Execution
- Nuclei scan template: Orkes Conductor 3.21.21-3.30.1 - Remote Code Execution
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-58138?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-58138 being exploited?
CVE-2026-58138 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-58138 affect?
CVE-2026-58138 affects affected software. Severity is critical (CVSS 9.8). 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
How urgent is CVE-2026-58138?
Priority 71/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action