CVE-2026-34723: high-severity vulnerability in zammad
Zammad has incorrect access control in getting_started_controller
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.4%
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, unauthenticated remote attackers were able to access the getting started endpoint to get access to sensitive internal entity data, even after the system setup was completed. This vulnerability is fixed in 7.0.1 and 6.5.4.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
zammad · zammadRelated CVEs — zammad
In the same product, most dangerous first.
CVE-2026-63006MEDIUMZammad: HTML sanitizer API path allowlist bypass via interior path traversal in img src/srcsetEPSS 0.5%CVE-2026-56735MEDIUMZammad: Improper neutralization of `srcset` attribute in IMG tags in ZammadEPSS 0.4%CVE-2026-56725HIGHZammad: Denial of Service via OTRS Import ControllerEPSS 0.4%CVE-2026-56734MEDIUMZammad: Avatar Image URL Server-Side Request ForwardingEPSS 0.4%CVE-2026-56729LOWZammad: Titles of knowledge base answers will be shown across all categories via the global searchEPSS 0.4%CVE-2026-84458CRITICALZammad: Account takeover via unverified email matching during SSO auto-linkEPSS 0.4%