CVE-2026-44367: Klaw: user lockout due to case sensitivity inconsistency

Severity: low (CVSS 2.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-02 · updated 2026-07-22
Weakness: CWE-20

Description

Klaw is a self-service Apache Kafka Topic Management/Governance tool/portal. Prior to version 2.10.4, a vulnerability exists in the user registration and login mechanisms due to inconsistent handling of username case sensitivity, leading to a targeted Denial of Service (DoS) and complete account lockout. This issue has been patched in version 2.10.4.

Affected products

Aiven-Open klaw: before 2.10.4

References

https://github.com/Aiven-Open/klaw/releases/tag/v2.10.4
https://github.com/Aiven-Open/klaw/security/advisories/GHSA-75rx-m9vh-mm9p

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