ZITADEL: Improper Role Revocation on Granted Projects during Multiple Role Deletions

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Summary

CVECVE-2026-76081
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-14 22:16:57 UTC
Updated2026-09-15 20:17:48 UTC
DescriptionZITADEL 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

EPSS: 0.002260000 probability, percentile 0.133450000 (date 2026-09-15)

Problem Types: CWE-193 | CWE-193 CWE-193: Off-by-one Error

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zitadel Zitadel affected < 4.16.0 Not specified

References

ReferenceSourceLinkTags
github.com/zitadel/zitadel/security/advisories/GHSA-v859-c572-qh5p [email protected] github.com
github.com/zitadel/zitadel/commit/9d60e83d6faa5e7e7a5339e031cdb26e0efe4d59 [email protected] github.com
github.com/zitadel/zitadel/releases/tag/v4.16.0 [email protected] github.com
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