CVE-2026-56333 Capgo - Server-Side Validation Bypass via Direct Browser-Side Organization Security Settings Updates

Medium 5.3 Published Updated

Authenticated admins can bypass server-side validation to modify organization security settings, weakening API key expiration policies.

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

What is CVE-2026-56333?

CVE-2026-56333 is a medium-severity missing authorization vulnerability in Capgo, published on 30 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Capgo before 12.128.2 contains a server-side validation bypass vulnerability in organization security settings that allows authenticated org admins to persist invalid security policy state. Attackers can bypass backend validation by directly updating the public.orgs table from the browser, circumventing field-level validation checks for max_apikey_expiration_days and other security-sensitive configuration parameters.

Weakness: CWE-20

Which versions are affected by CVE-2026-56333?

How do I fix CVE-2026-56333?

No fix has been published for CVE-2026-56333 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-56333 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-56333 exists.

Sources

Also known as GHSA-4j3c-hhjr-6vg6, GHSA-964v-j58v-2q3h.

Is CVE-2026-56333 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free