CVE-2026-58138 | Orkes Conductor 3.21.21 before 3.30.2 contains an unauthenti… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-58138
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-29 14:13 UTC
Published: 2026-06-30 18:44 UTC
Last updated: 2026-06-30 18:44 UTC
Primary CWE: CWE-94
Improper Control of Generation of Code ('Code Injection')
Vendor / Product: conductor-oss / conductor
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products (1)

Vendor	Product	Platform	Versions
conductor-oss	conductor	—	3.21.21 < 3.30.2

Weakness (CWE)

CWE	Source	Description
CWE-94	cna	Improper Control of Generation of Code ('Code Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (5)