CRMEB up to 5.6.3 JSON Token LoginServices.php remoteRegister uid improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in CRMEB up to 5.6.3. It has been rated as critical. This affects the function remoteRegister of the file crmeb/app/services/user/LoginServices.php of the component JSON Token Handler. The manipulation of the argument uid leads to improper authentication. This vulnerability is traded as CVE-2026-1203. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in CRMEB up to 5.6.3 and classified as critical. This issue affects the function remoteRegister of the file crmeb/app/services/user/LoginServices.php of the component JSON Token Handler. The manipulation of the argument uid with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-1203. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available 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/services/user/LoginServices.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 vulnerability database at CNNVD (CNNVD-202601-3320). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

CNA Base Score: 5.6
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/19/2026 Advisory disclosed
01/19/2026 +0 days VulDB entry created
01/30/2026 +10 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-1203 (🔒)
GCVE (CVE): GCVE-0-2026-1203
GCVE (VulDB): GCVE-100-341789
CNNVD: CNNVD-202601-3320 - CRMEB 授权问题漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/19/2026 16:33
Updated: 01/30/2026 00:21
Changes: 01/19/2026 16:33 (57), 01/20/2026 03:22 (30), 01/22/2026 08:45 (6), 01/30/2026 00:21 (11)
Complete: 🔍
Submitter: Ho Cherry
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #735349: Zhongbang CRMEB v5.6.3 Authentication Bypass by (by Ho Cherry)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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