CVE-2026-44367 Klaw: user lockout due to case sensitivity inconsistency
Attackers can cause complete account lockout and denial of service in Klaw by exploiting case sensitivity inconsistencies in user registration and login.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44367?
CVE-2026-44367 is a low-severity denial of service vulnerability in Aiven-Open klaw, published on 2 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-44367?
How do I fix CVE-2026-44367?
No fix has been published for CVE-2026-44367 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-44367 being exploited?
There is no known exploitation of CVE-2026-44367 in the wild and no public exploit code.
Sources
Also known as GHSA-75rx-m9vh-mm9p.