CVE-2026-4312
Missing Authentication in DrangSoft GCB/FCB Allows Admin Account Creation
Publication date: 2026-03-17
Last updated on: 2026-03-17
Assigner: TWCERT/CC
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| drangsoft | gcb_fcb_audit_software | to 20260108 (exc) |
| zhonghua_longwang | gcb_fcb_audit_software | to 20260108 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-4312 is a critical Missing Authentication vulnerability in the GCB/FCB Audit Software developed by DrangSoft and Zhonghua Longwang. This flaw allows unauthenticated remote attackers to bypass authentication and directly access certain APIs.
By exploiting this vulnerability, attackers can create new administrative accounts without any identity verification, effectively gaining full administrative control over the software.
How can this vulnerability impact me? :
This vulnerability can have severe impacts as it allows attackers to gain unauthorized administrative access remotely without any authentication.
- Attackers can create new administrator accounts.
- Confidentiality, integrity, and availability of the system are all highly impacted.
- The attacker can fully control the affected software, potentially leading to data breaches, manipulation of audit results, and disruption of services.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to update the GCB/FCB Audit Software to version 20260108 or later.
This update includes a fix for the Missing Authentication vulnerability that allows unauthenticated remote attackers to create new administrative accounts.