Auth bypass in Crmeb
CVE-2026-1734
A security flaw has been discovered in Zhong Bang CRMEB up to 5.6.3. This vulnerability affects unknown code of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. The manipulation results in missing authorization. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Broken Access Control
EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Crmeb
- Zhong Bang Crmeb — versions 5.6.0, 5.6.1, 5.6.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Exploit, Mitigation, Vendor Advisory)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2026-1734?
- CVE-2026-1734 is a medium-severity vulnerability in Crmeb, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-02-02.
- How severe is CVE-2026-1734?
- Medium severity. CVSS v3 base score is 5.3 out of 10.