CVE-2026-5808 openstatusHQ CVE debrief

Who should care

Users of openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c should be aware of this cross site scripting vulnerability and its potential impact on their systems, especially considering the rolling release basis of the product which may complicate version management and patching. This includes operators, platform administrators, vulnerability management teams, and security teams who need to assess and mitigate this vulnerability.

Technical summary

The vulnerability is caused by improper input validation in the Onboarding Endpoint of openstatusHQ openstatus. An attacker can inject malicious code by manipulating the callbackURL argument, potentially leading to cross site scripting attacks. This issue arises in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. The product operates on a rolling release basis, ensuring continuous delivery, which may complicate version management and patching. Users should review and update openstatusHQ openstatus to the latest version and monitor for suspicious activity on the Onboarding Endpoint.

Defensive priority

Medium priority due to the CVSS score of 5.3 and the potential for remote attacks. Users should review and update openstatusHQ openstatus to the latest version and monitor for suspicious activity on the Onboarding Endpoint. Implementing the patch 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb to correct this issue is advisable. Review compensating controls for exposed systems while remediation is scheduled and verified. Check relevant monitoring, detection, and logs for exposed assets that need extra review. Track exceptions, retest remediated assets, and close the item only after evidence is documented. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Users of openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c should be aware of this cross site scripting vulnerability and its potential impact on their systems, especially considering the rolling release basis of the product which may complicate version management and patching. The vulnerability is caused by improper input validation in the Onboarding Endpoint of openstatusHQ openstatus. An attacker can inject malicious code by manipulating the callbackURL argument, potentially leading to cross site scripting attacks. Users should also consider the operational impact of this vulnerability on their systems and the potential for remote attacks. The CVE record was published on 2026-04-08T22:16:24.867Z and was last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Deferred. The vulnerability was detected in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. The attack may be launched remotely. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The patch is identified as 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb. It is advisable to implement a patch to correct this issue. The vendor was

Recommended defensive actions

• Implement the patch 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb to correct this issue.
• Review and update openstatusHQ openstatus to the latest version.
• Monitor for suspicious activity on the Onboarding Endpoint.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record was published on 2026-04-08T22:16:24.867Z and was last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Deferred. The vulnerability was detected in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. The attack may be launched remotely. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases.

Official resources