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Vulnerabilities

Vulnerability · CVE-2026-22398

Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Fleur fleur allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affec

Published Jan 22, 2026 · catalog updated Apr 28, 2026 · Mikado-Themes Fleur

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-22398. EPSS is 0.27%. Act only if a listed version of Mikado-Themes Fleur is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.27%
Remediation
Advisory link
Affected products
vendor Mikado-Themes Fleur 0 ≤2.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Mikado-Themes Fleur 0 ≤2.00 ≤2.0

How to fix CVE-2026-22398

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-22398. EPSS is 0.27%. Act only if a listed version of Mikado-Themes Fleur is installed.

Which versions are affected?

Compare what you have installed with Mikado-Themes Fleur 0 ≤2.0 0 ≤2.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.27%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 22, 2026 · EUVD

    Detected

    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.

  2. Apr 28, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-22398

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22398

    30-day exploitation probability 0.27%

    first.org
  • EUVDVulnerability recordEUVD-2026-3835

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026