CVE-2026-42785

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.

CVSS v3.1 Score

7.2

HIGH

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

EPSS — Exploit Prediction

0.0042

Probability of exploitation

0.62%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-94 CWE-94

References

Other References

https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-remote-code-execution https://hub.docker.com/r/openkm/openkm-ce https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs https://www.exploit-db.com/exploits/52520 https://www.openkm.com/ https://www.vulncheck.com/advisories/openkm-remote-code-execution-via-administrative-scripting

Frequently Asked Questions

What is CVE-2026-42785? +

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. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-42785? +

CVE-2026-42785 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0042, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-42785? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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