What’s Vulnerable › Vulnerabilities

CVE-2026-25999: Klaw has an improper authorisation check on /resetMemoryCache

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-285

Description

Klaw is a self-service Apache Kafka Topic Management/Governance tool/portal. Prior to 2.10.2, there is an improper access control vulnerability that allows unauthorized users to trigger a reset or deletion of metadata for any tenant. By sending a crafted request to the /resetMemoryCache endpoint, an attacker can clear cached configurations, environments, and cluster data. This vulnerability is fixed in 2.10.2.

Affected products

• Aiven-Open klaw: before 2.10.2 — fixed in 2.10.2

How to fix

Upgrade to a fixed version: Aiven-Open klaw 2.10.2. Check the vendor advisory for mitigations.

References

• https://github.com/Aiven-Open/klaw/commit/617ed96b1db111ed498d89132321bf39f486e3a1
• https://github.com/Aiven-Open/klaw/releases/tag/v2.10.2
• https://github.com/Aiven-Open/klaw/security/advisories/GHSA-rp26-qv9w-xr5q

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