CVE-2026-42785

high

Description

OpenKM 6.3.12 contains a remote code execution vulnerability that allows authenticated administrators to execute arbitrary Java/BeanShell code through the /admin/Scripting endpoint. Attackers can submit malicious script content with an action=Evaluate parameter to execute operating system commands in the context of the OpenKM application server.

References

https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs

https://www.exploit-db.com/exploits/52520

https://www.vulncheck.com/advisories/openkm-remote-code-execution-via-administrative-scripting

https://www.openkm.com/

https://hub.docker.com/r/openkm/openkm-ce

https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-remote-code-execution

https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits

Details

Source: Mitre, NVD

Published: 2026-05-26

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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

Severity: High

CVSS v4

Base Score: 8.6

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00417