CVE-2026-46721
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 · uneditedThe create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to content and functionality restricted to privileged frontend user groups.
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 · moderate confidenceThis vulnerability in the create and edit flows allows attackers to manipulate user properties and assign arbitrary frontend user groups to newly registered or edited accounts, bypassing access controls and gaining unauthorized access to privileged content and functionality.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Authentication
- X
- User interaction
- None
- Scope
- X
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 user registration and edit endpointsReview your application for endpoints that handle user creation (registration) and user profile editing. Check API routes, controllers, or forms that accept user input for creating or modifying user accounts.Affected if Your system has registration or user profile edit functionality that accepts user-submitted data
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Locate user group assignment functionalitySearch your codebase for any code that handles frontend user group assignment, user role assignment, or user permission assignment during registration or profile editing. Look for parameters related to user groups, roles, or membership.Affected if Your system allows assigning or modifying user groups/roles through registration or edit flows
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Inspect access control logic on user operationsExamine the authorization checks on your user creation and edit endpoints. Verify whether the code checks if the authenticated user has permission to assign specific groups/roles, particularly privileged groups.Affected if The user create/edit endpoints lack server-side authorization checks before assigning user groups
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Test for user group manipulation via API or formIf you have access to the system, attempt to submit a registration or edit request with an elevated user group identifier (such as admin, moderator, or privileged group) in the request payload or form data, observing whether the system accepts it without proper authorization.Affected if The system accepts arbitrary user group values in create or edit requests without validating permissions
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Review user property modification capabilitiesAudit which user properties (email, name, group membership, permissions) can be modified through create or edit flows. Determine if there are restrictions on which properties can be set by end users versus administrators.Affected if The create or edit flows allow modification of privileged properties like user groups without proper access control
You are affected if your system contains user registration or edit functionality that permits assignment of frontend user groups without adequate server-side authorization checks.
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 server-side authorization checks and input validation to restrict which user properties can be submitted and enforce proper access control on frontend user group assignment based on the authenticated user's permissions.
- Consultation2.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,904.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-46721 — 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-2026-46721 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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