Klaw: user lockout due to case sensitivity inconsistency
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Aiven-Open | klaw | before 2.10.4 | 2.10.4 | Patch available | CNA |
- klaw VendorAiven-Open Affected before 2.10.4 Fixed in 2.10.4 Patch available CNA
Remediation
- Fix · CNA klaw (Aiven-Open) Fixed in 2.10.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44367
References
More Aiven-Open vulnerabilities
- TI-2025-38105 Karapace is vulnerable to Authentication Bypass CVSS 3.1HIGH 8.6
- TI-2025-34940 aiven-db-migrate allows Privilege Escalation through use of psql during migration CVSS 3.1CRITICAL 9.1
- TI-2025-22661 aiven-extras allows PostgreSQL Privilege Escalation through format function CVSS 3.1CRITICAL 9.1
- TI-2025-34939 aiven-db-migrate allows Privilege Escalation via unrestricted search_path during migration CVSS 3.1CRITICAL 9.1
- TI-2026-79625 Path traversal in PGHoard restore allows arbitrary file writes CVSS 3.1HIGH 8.4
- TI-2023-15599 aiven-extras PostgreSQL Privilege Escalation Through Overloaded Search Path CVSS 3.1HIGH 8.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences