OpenKM Community Edition/Professional Edition up to 6.3.12 /admin/Scripting code injection

Summaryinfo

A vulnerability was found in OpenKM Community Edition and Professional Edition up to 6.3.12 and classified as critical. Impacted is an unknown function of the file /admin/Scripting. Executing a manipulation can lead to code injection. This vulnerability is handled as CVE-2026-42785. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in OpenKM Community Edition and Professional Edition up to 6.3.12 and classified as critical. This vulnerability affects an unknown code of the file /admin/Scripting. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2026-42785 since 04/29/2026. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-31835). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• OpenKM

Name

• Community Edition
• Professional Edition

Version

• 6.3.0
• 6.3.1
• 6.3.2
• 6.3.3
• 6.3.4
• 6.3.5
• 6.3.6
• 6.3.7
• 6.3.8
• 6.3.9
• 6.3.10
• 6.3.11
• 6.3.12

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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