CVE-2026-34720

MediumCVSS 4.3/10Last modified Jul 24, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-346

Affected software

No affected versions have been published.

Timeline

Published
Apr 8, 2026
Last modified
Jul 24, 2026
NVD status
Analyzed

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