CVE-2026-42785
CVE-2026-42785 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v4: 8.6
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31835
- Weakness: CWE-94
- Published:
- Last modified:
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.
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.
- How severe is CVE-2026-42785?
- CVE-2026-42785 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-42785 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-42785?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-42785 have an EU (EUVD) identifier?
- Yes. CVE-2026-42785 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31835.
- When was CVE-2026-42785 published?
- CVE-2026-42785 was published on 2026-05-26 and last updated on 2026-06-17.
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
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