What is the CVSS score of CVE-2026-38807?

CVE-2026-38807 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of kvf-admin are affected by CVE-2026-38807?

kvf-admin v1.0.0 contains a privilege escalation vulnerability (CVSS 8.8) allowing authenticated users to elevate system permissions through authorization bypass in the UserController component;…

kvf-admin CVE-2026-38807

HIGH

Authorization Bypass Through User-Controlled Key (CWE-639)

2026-05-27 cve@mitre.org

Authentication Bypass Java

8.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

May 28, 2026 - 16:22 vuln.today

CVSS changed

May 28, 2026 - 16:22 NVD

8.8 (None) 8.8 (HIGH)

CVE Published

May 27, 2026 - 18:16 nvd

UNKNOWN (no severity yet)

DescriptionNVD

Insecure Permissions vulnerability in kvf-admin v1.0.0 allows a remote attacker to escalate privileges via the UserController.java component

AnalysisAI

Privilege escalation in kvf-admin v1.0.0 allows authenticated remote attackers to elevate their privileges by abusing insecure permission checks within the UserController.java component. The flaw maps to CWE-639 (Authorization Bypass Through User-Controlled Key), and while publicly available exploit code exists per the referenced GitHub issue, EPSS is very low (0.04%, 13th percentile), indicating limited observed exploitation activity. …

RemediationAI

Within 24 hours: Inventory all kvf-admin v1.0.0 deployments and document exposed user populations; assess criticality of systems managed by kvf-admin. Within 7 days: Deploy compensating controls (enforce RBAC with privilege reviews, require MFA for all kvf-admin access, implement audit logging for privilege escalation attempts) and contact kvf-admin vendor regarding patch availability and timeline. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-38807 vulnerability details – vuln.today

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kvf-admin CVE-2026-38807

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

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External POC / Exploit Code