Cockpit CMS PHP File save_collection include collection rules code injection

Summaryinfo

A vulnerability was found in Cockpit CMS. It has been rated as critical. Affected is the function include of the file /cockpit/collections/save_collection of the component PHP File Handler. The manipulation of the argument collection rules leads to code injection. This vulnerability is uniquely identified as CVE-2026-34965. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cockpit CMS (version unknown). This issue affects the function include of the file /cockpit/collections/save_collection of the component PHP File Handler. The manipulation of the argument collection rules with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cockpit CMS contains an authenticated remote code execution vulnerability in the /cockpit/collections/save_collection endpoint that allows authenticated attackers with collection management privileges to inject arbitrary PHP code into collection rules parameters. Attackers can inject malicious PHP code through rule parameters which is written directly to server-side PHP files and executed via include() to achieve arbitrary command execution on the underlying server.

The weakness was disclosed by Piyush Kumar Shukla. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-34965 since 03/31/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Applying the patch 494765e is able to eliminate this problem.

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Productinfo

Type

• Content Management System

Vendor

• Cockpit

Name

• CMS

CPE 2.3info

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CPE 2.2info

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