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

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-02 · updated 2026-06-17
Weakness: CWE-862

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.

Affected products

CRMEB: through 5.6.3

References

https://github.com/foeCat/CVE/blob/main/CRMEB/crontab_unauthorized_access.md
https://github.com/foeCat/CVE/blob/main/CRMEB/crontab_unauthorized_access.md#proof-of-concept
https://vuldb.com/?ctiid.343633
https://vuldb.com/?id.343633
https://vuldb.com/?submit.736619

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