CVE-2026-4312
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedGCB/FCB Audit Software developed by DrangSoft has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to directly access certain APIs to create a new administrative account.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceGCB/FCB Audit Software by DrangSoft contains a missing authentication vulnerability in certain API endpoints that allows unauthenticated remote attackers to directly invoke these APIs and create new administrative accounts. This enables complete compromise of the application as the attacker can elevate to full administrative access.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify if GCB/FCB software is installedSearch for Dragonsoft GCB/FCB processes running on the system, or check installed programs/application directories for Gcb/fcb Government Financial Cybersecurity Configuration Audit SoftwareAffected if The software is present and running on the system
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Locate API endpoint configurationExamine the application's configuration files, web server settings, or API documentation to identify which endpoints handle user account creation or administrative functionsAffected if API endpoints for account/user management are defined and exposed
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Test API authentication requirementsSend a crafted request to the user creation API endpoint (such as /api/users, /api/admin/users, or similar endpoints) without providing any authentication credentialsAffected if The request succeeds and returns a success response without requiring authentication tokens or credentials
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Review application logs for unauthorized account creationExamine application audit logs, access logs, or security event logs for any user account creation events that occurred without corresponding authentication recordsAffected if Account creation events exist without prior authentication events from the same session or IP address
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Check for unauthorized administrative accountsQuery the user database or user management interface to list all administrative accounts and verify their legitimacy by cross-referencing with known authorized personnelAffected if Unexpected or unauthorized administrative accounts exist in the system
If the GCB/FCB software is running and its user creation API endpoints are accessible without authentication, the environment is vulnerable to CVE-2026-4312.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement proper authentication and authorization checks on all sensitive API endpoints, particularly those handling user/account creation, to ensure only authenticated and authorized users can create administrative accounts.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-4312 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-4312 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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