What is the CVSS score of CVE-2026-22398?

CVE-2026-22398 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Mikado-Themes Fleur are affected by CVE-2026-22398?

CVE-2026-22398 presents moderate security risk, a IDOR vulnerability rated CVSS 5.4. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2026-22398?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Mikado-Themes Fleur CVE-2026-22398

MEDIUM

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

2026-01-22 audit@patchstack.com

Authentication Bypass

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:16 nvd

MEDIUM 5.4

DescriptionCVE.org

Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Fleur fleur allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fleur: from n/a through <= 2.0.

AnalysisAI

Mikado-Themes Fleur fleur is affected by authorization bypass through user-controlled key (CVSS 5.4).

Technical ContextAI

This vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affects Mikado-Themes Fleur fleur. Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Fleur fleur allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fleur: from n/a through <= 2.0.