CVE-2026-1734 Zhong Bang CRMEB crontab Endpoint CrontabController.php authorization

Medium 6.9 Published 1 Feb 2026 Updated 23 Feb 2026

Remote attackers can access the crontab endpoint without authorization, potentially reading or modifying data in Zhong Bang CRMEB.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-1734?

CVE-2026-1734 is a medium-severity missing authorization vulnerability in Zhong Bang CRMEB, published on 1 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-863, CWE-862

Which versions are affected by CVE-2026-1734?

It affects 1 product.

Products include Crmeb Crmeb.

How do I fix CVE-2026-1734?

No fix has been published for CVE-2026-1734 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-1734 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1734 exists.

Sources

Also known as GHSA-qxq4-hr62-m2rg.