CVE-2026-66013 OpenRemote before 1.26.2 Authentication Bypass via Console Registration

Critical 9.3 Published Updated

Unauthenticated attackers can modify console assets and notification tokens in OpenRemote, disrupting legitimate device communications.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-66013?

CVE-2026-66013 is a critical authentication bypass vulnerability in openremote, published on 25 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenRemote before 1.26.2 contains an authentication bypass vulnerability in the console registration API that allows unauthenticated attackers to update existing console assets by supplying a known asset identifier. Attackers can overwrite push notification tokens and console metadata without authentication or ownership validation, redirecting notifications or denying delivery to legitimate consoles.

Weakness: CWE-639

Which versions are affected by CVE-2026-66013?

How do I fix CVE-2026-66013?

No fix has been published for CVE-2026-66013 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-66013 being exploited?

There is no known exploitation of CVE-2026-66013 in the wild and no public exploit code.

Sources

Also known as GHSA-gpfc-h59v-63cv, GHSA-jg8p-j9v5-g5x5.

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