| Package | Affected versions | Patched versions |
|---|---|---|
| zammad | ≥ 1.0.0, < 3.4.1 | 3.4.1 |
An issue was discovered in Zammad before 3.4.1. There is an authentication bypass in the SSO endpoint via a crafted header, when SSO is not configured. An attacker can create a valid and authenticated session that can be used to perform any actions in the name of other users.
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