CVE-2026-38807
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 · uneditedInsecure Permissions vulnerability in kvf-admin v1.0.0 allows a remote attacker to escalate privileges via the UserController.java component
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 confidenceThe kvf-admin v1.0.0 application contains an insecure permissions vulnerability in the UserController.java component that allows remote attackers to escalate their privileges, likely by bypassing or manipulating authorization checks during user management operations.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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.
-
Identify if kvf-admin application is deployedSearch for kvf-admin application files, processes, or services running in the environment. Look for JAR files, WAR files, or directory structures containing 'kvf-admin' naming.Affected if The kvf-admin application is present in the environment
-
Determine the installed version of kvf-adminCheck the application version by inspecting manifest files (META-INF/MANIFEST.MF), pom.xml, build.gradle, or the application's startup logs for version strings.Affected if The version is v1.0.0 (or any version that includes the vulnerable UserController.java component)
-
Locate and inspect UserController.javaSearch for the UserController.java source file or compiled class in the application deployment. Check the application's source code repository or decompiled classes for this controller.Affected if UserController.java exists and contains user management operations (create, update, delete, or modify user roles/privileges)
-
Verify authorization implementation in UserControllerReview UserController.java for authorization annotations (e.g., @PreAuthorize, @Secured, role checks) and verify if they properly validate user permissions before executing privilege modification operations.Affected if UserController lacks proper role-based access control annotations or contains missing/insufficient authorization checks before privilege operations
-
Check for exposed user management endpointsInspect application routing/endpoint configuration to determine if UserController endpoints are accessible without authentication or accessible to low-privilege users.Affected if User management endpoints (especially those modifying roles or privileges) are accessible to unauthenticated or low-privilege users
The environment is affected if kvf-admin v1.0.0 is deployed and UserController.java with inadequate authorization controls is in use for user management operations.
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 role-based access control (RBAC) and authorization checks in the UserController.java to verify user permissions before allowing any privilege modifications or administrative actions.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-38807 — 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-2026-38807 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data