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CRITICAL

CVE-2026-58138

CVSS v3

9.8

CRITICAL

EPSS Score

14.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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 sy

Technical details

Published
2026-06-30
Last Modified
2026-07-01
Exploit-DB
EDB-52633

Frequently asked questions

What is CVE-2026-58138?

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 sy

Is CVE-2026-58138 actively exploited?

Active exploitation of CVE-2026-58138 has not been confirmed. Its EPSS score was 14.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-58138?

CVE-2026-58138 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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