CVE-2026-58138
Orkes Conductor 3.21.21 < 3.30.2 Unauthenticated RCE via GraalVM Script Evaluators
- State
- Published
- Severity
- 9.3 Critical
- Published
- Jun 30, 2026
- Updated
- Jul 14, 2026
- Reserved
- Jun 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
conductorconductor-oss |
|
References
- Release Notesrelease-notes
- Patch Commit (1)patch
- Patch Commit (2)patch
- Related CVE
- https://www.vulncheck.com/advisories/orkes-conductor-unauthenticated-rce-via-graalvm-script-evaluatorsthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.