CVE-2026-56731

Source
https://cve.org/CVERecord?id=CVE-2026-56731
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56731.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-56731
Aliases
  • GHSA-p9xp-gx8r-4397
Published
2026-09-25T17:04:50Z
Modified
2026-10-28T02:31:09Z
Severity
  • 8.4 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Zammad: Cross-Site Scripting in Ticket Notifications
Details

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization. This issue is fixed in version 7.0.1.

Database specific
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56731.json"
}
References

Affected packages

Git / github.com/zammad/zammad

Affected ranges

Type
GIT
Repo
https://github.com/zammad/zammad
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed
Database specific
Show details
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "7.0.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "16a4a2e1be6642ec0c3ba3a76e358ad065f48f78"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*
1.6.0
3.*
3.7.0
5.*
5.2.0-alpha
5.3.0-alpha
5.4.0-alpha
5.5.0-alpha
6.*
6.0.0-alpha
6.1.0-alpha
6.2.0-alpha
6.3.0-alpha
6.4.0-alpha
6.5.0-alpha
6.6.0-alpha
7.*
7.0.0
7.0.0-alpha

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56731.json"