VULNERABILITY INTELLIGENCE

CVE-2026-34721

CVSS score6.5 MEDIUM
EPSS probability0.10%
CISA KEVNot currently listed
Published2026-04-08
Last modified2026-07-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-352

Primary references