CVE-2026-56667 | THREATINT

Description

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL Login V2 OIDC and SAML FailedPrecondition error paths return loginSettings.defaultRedirectUri to router.push without applying the isSafeRedirectUri check, allowing an organization or instance administrator to store a javascript or data URI that can execute in a user's browser when an affected login error path is reached. This issue is fixed in version 4.15.3.

PUBLISHED Reserved 2026-06-22 | Published 2026-07-10 | Updated 2026-07-10 | Assigner GitHub_M

HIGH: 7.3CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 4.15.3

affected

References

github.com/...itadel/security/advisories/GHSA-5wcj-9wj4-j65h

github.com/...ommit/038265925a3b05ac1df8aad461ab071983e9eb85

github.com/zitadel/zitadel/releases/tag/v4.15.3

cve.org (CVE-2026-56667)

nvd.nist.gov (CVE-2026-56667)

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