CVE-2026-126539 Directus before 12.1.0 Authorization Bypass via Public WebSocket REST Interface

Critical 9.2 Published Updated

Unauthenticated attackers can bypass Directus permission checks on public WebSocket connections to read, create, update or delete records in any collection.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Harmful if only installed
No
Needs a specific call
No
Fix
None listed

What is CVE-2026-126539?

CVE-2026-126539 is a critical authentication bypass vulnerability in directus, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Directus before 12.1.0 contains an authorization bypass vulnerability that allows unauthenticated attackers to skip permission checks by sending a failed auth message on public-mode WebSocket connections. Attackers can send an invalid token so handleAuthRequest sets accountability to null, then read, create, update or delete records in any user-defined collection.

Weakness: CWE-636

Which versions are affected by CVE-2026-126539?

Only installations with a non-default setting turned on are exposed.

How do I fix CVE-2026-126539?

No fix has been published for CVE-2026-126539 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-2026-126539 being exploited?

There is no known exploitation of CVE-2026-126539 in the wild and no public exploit code.

Sources

Also known as GHSA-97xr-jchp-xm3c, GHSA-mgp5-77q8-6g32.

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