CVE-2026-34721

CVE-2026-34721CVE-2026-34721

zammad / zammad

Description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 and 6.5.4.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Last modified2026-07-24
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.