CVE-2026-76081 ZITADEL: Improper Role Revocation on Granted Projects during Multiple Role Deletions
Attackers retain unauthorized access to shared projects due to a bug in ZITADEL's role deletion logic, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-76081?
CVE-2026-76081 is a medium-severity missing authorization vulnerability in zitadel, published on 14 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
ZITADEL is an open source identity management platform. Prior to version 4.16.0, a bug in how ZITADEL updates permissions when multiple project roles are deleted at the same time can cause some user permissions to be missed. This issue specifically affects User Grants on Granted Projects (projects shared between different organizations), potentially allowing users to keep access rights that were supposed to be completely removed. This issue has been fully resolved in version 4.16.0. There are no configuration workarounds. Upgrading to a patched version is the only way to trigger the automatic cleanup migration. Those who cannot upgrade immediately should manually review user permissions specifically for Granted Projects where multiple roles were recently deleted.
Weakness: CWE-193
Which versions are affected by CVE-2026-76081?
3 open source packages ship an affected version, including github.com/zitadel/zitadel.
| Package | Affected | Fixed in |
|---|---|---|
github.com/zitadel/zitadel Go | All versions | None |
github.com/zitadel/zitadel Go | All versions | 4.16.0 |
github.com/zitadel/zitadel Go | All versions | 4.16.0 |
How do I fix CVE-2026-76081?
Upgrade github.com/zitadel/zitadel to 4.16.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-76081 being exploited?
There is no known exploitation of CVE-2026-76081 in the wild and no public exploit code.
Sources
Also known as GHSA-v859-c572-qh5p, GO-2026-6473.