Zhong Bang CRMEB up to 5.6.3 crontab Endpoint CrontabController.php authorization
Summary
A vulnerability has been found in Zhong Bang CRMEB up to 5.6.3 and classified as problematic. This issue affects some unknown processing of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. This manipulation causes authorization. This vulnerability appears as CVE-2026-1734. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability has been found in Zhong Bang CRMEB up to 5.6.3 and classified as problematic. Affected by this vulnerability is an unknown part of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity.
The advisory is shared at github.com. This vulnerability is known as CVE-2026-1734. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:crmeb/app/api/controller/v1/CrontabController.php it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at CNNVD (CNNVD-202602-036) and EUVD (EUVD-2026-5107). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
02/01/2026 Advisory disclosed02/01/2026 VulDB entry created
02/03/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-1734 (🔒)
GCVE (CVE): GCVE-0-2026-1734
GCVE (VulDB): GCVE-100-343633
EUVD: 🔒
CNNVD: CNNVD-202602-036 - CRMEB 安全漏洞
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/01/2026 08:40Updated: 02/03/2026 11:02
Changes: 02/01/2026 08:40 (55), 02/02/2026 01:25 (31), 02/03/2026 00:31 (6), 02/03/2026 11:02 (1)
Complete: 🔍
Submitter: Ho Cherry
Cache ID: 216::103
Submit
Accepted
- Submit #736619: Zhongbang CRMEB v5.6.3 Missing Authorization (by Ho Cherry)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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