Vulnerability · Published Apr 8, 2026 · Assigned by GitHub_M

CVE-2026-34722Zammad is missing authorization in ticket create endpoint

Medium 6.9

In plain English

A medium-severity missing authorization in zammad from zammad. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium

Exploit odds (30 days)0.2%top 93.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the used endpoint for ticket creation was missing authorization if the related parameter for adding links is used. This vulnerability is fixed in 7.0.1 and 6.5.4.

Affected products (as reported)

Vendor	Product	Versions
zammad	zammad	< 6.5.4>= 7.0.0-alpha, < 7.0.1

Weakness: CWE-862 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References

https://github.com/zammad/zammad/security/advisories/GHSA-28m3-wwgv-ppw8 x_refsource_CONFIRM