Medium severity · published Sep 25, 2026
CVE-2026-56732
Zammad: Malicious input in Ticket Body Enables Session Termination
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, vulnerability in Zammad's HTML sanitization allows injection of specific HTML elements into ticket bodies. When another user views the crafted ticket, the injected element can trigger a logout request, terminating the viewer's session. This vulnerability is fixed in 7.0.2.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
zammad · zammad
< 7.0.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56732
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56732
github.com
https://github.com/zammad/zammad/commit/3f6e8a5fa34eb0ce40f63292cf744f5f2992c9d0
github.com
https://github.com/zammad/zammad/releases/tag/7.0.2
github.com
https://github.com/zammad/zammad/security/advisories/GHSA-6rmm-28j9-q99q
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