CVE ID :CVE-2026-56668
Published : July 10, 2026, 6:16 p.m. | 1 hour, 1 minute ago
Description :ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL’s OAuth2 Token Exchange endpoint for urn:ietf:params:oauth:grant-type:token-exchange does not verify that the subject token belongs to the requesting client or that requested scopes remain within the original token’s scopes, allowing a low-privilege token to be exchanged for elevated permissions at another application. This issue is fixed in version 4.15.3.
Severity: 8.1 | HIGH
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