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 system commands via Java reflection or direct subprocess calls.
CVSS
- Versión: 4.0
- 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
- Puntuación base: 9.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 15%
- Percentil entre todas las CVEs puntuadas: 97
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access90 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 %
Vulnerabilidad remota sin autenticación en API de Conductor (AV:N, PR:N, UI:N) que permite inyección de código malicioso en definiciones de workflow para ejecutar comandos arbitrarios del sistema operativo vía evaluadores GraalVM sin sandbox.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-94
Referencias
- https://github.com/conductor-oss/conductor/commit/87a7d96aabbb706d6e84f812b93da5165028d18f
- https://github.com/conductor-oss/conductor/commit/c691e35e768caeb802c9f06ecdd9674c80081af1
- https://github.com/conductor-oss/conductor/releases/tag/v3.30.2
- https://www.cve.org/CVERecord?id=CVE-2025-26074
- https://www.vulncheck.com/advisories/orkes-conductor-unauthenticated-rce-via-graalvm-script-evaluators
JSON original (NVD)
Mostrar
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"affected": [
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"affectedData": [
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"repo": "https://github.com/conductor-oss/conductor",
"vendor": "conductor-oss",
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"value": "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."
}
],
"lastModified": "2026-07-14T22:17:26.797",
"sourceIdentifier": "disclosure@vulncheck.com"
}