CVE-2026-34720
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Apr 08, 2026
Vendor
unknown
Description
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the SSO mechanism in Zammad was not verifying the header originates from a trusted SSO proxy/gateway before applying further actions on it. This vulnerability is fixed in 7.0.1 and 6.5.4.