Critical Pre-Auth RCE in Orkes Conductor Workflow Platform Exploited in the Wild
Unauthenticated RCE CVE-2026-58138 in Orkes Conductor is actively exploited; Fortinet blocked ~7,000 attacks; patch to 3.30.2.
82
CVE-2026-58138
- CVSS 4.0
- 9.3 critical
- EPSS
- 9%p95
- Published
- ·
- Modified
Description · NVD
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.
- Weakness
- CWE-94
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
In the news
3 stories⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks
Weekly recap led by actively exploited Cisco ISE auth-bypass CVE-2026-76460 (CVSS 10.0), plus Plugin4Shell AI-agent RCE and KREMLIN banking malware.
78
Critical Orkes Conductor Vulnerability Exploited in Attacks
Attackers actively exploit CVE-2026-58138 (CVSS 9.8), an unauthenticated RCE in Orkes Conductor via malicious JavaScript or Python expressions in inline workflows.
78