OpenRemote up to 1.26.2 AlarmResourceImpl AlarmResourceImpl.setAssetLinks resource injection

Summaryinfo

A vulnerability marked as critical has been reported in OpenRemote up to 1.26.2. Affected is the function AlarmResourceImpl.setAssetLinks of the component AlarmResourceImpl. Performing a manipulation results in resource injection. This vulnerability was named CVE-2026-67310. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in OpenRemote up to 1.26.2. This affects the function AlarmResourceImpl.setAssetLinks of the component AlarmResourceImpl. The manipulation with an unknown input leads to a resource injection vulnerability. CWE is classifying the issue as CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended sphere of control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

OpenRemote (org.openremote:openremote) versions <= 1.26.2 contain an insecure direct object reference vulnerability in the setAssetLinks endpoint of AlarmResourceImpl. The realm access check validates only a single realm obtained via realms.stream().findFirst() on a HashSet of realms from the request, rather than all realms. Because HashSet iteration order is non-deterministic, an authenticated attacker who includes alarm-asset links from both their own realm and a victim realm can, with roughly 50% probability per request (retryable), persist cross-tenant links and disclose victim asset names (returned via @Formula fields) through GET requests on the attacker's own alarm. Fixed in 1.27.0.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-67310 since 07/29/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.27.0 eliminates this vulnerability.

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Productinfo

Name

• OpenRemote

Version

• 1.26.0
• 1.26.1
• 1.26.2

Website

• Product: https://github.com/openremote/openremote/

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