An Apache Kafka vulnerability, CVE‑2026‑41115, has been reported to allow attackers to compromise data confidentiality and bypass security policies. The flaw affects all Kafka releases earlier than version 4.3.0. According to the advisory issued on 2 June 2026 by the French CERT (reference CERTFR‑2026‑AVI‑0678), affected systems may experience unauthorized access to message contents and potentially circumvent established security controls. The advisory points users to the Apache Security Bulletin released on the same date for patch information. System administrators should promptly review the vendor’s documentation and apply the recommended fixes to mitigate the risk. No further technical details were provided in the advisory. The vulnerability is catalogued as CVE‑2026‑41115 and is documented in the Apache and CVE databases. Prompt patching is recommended to prevent potential data breaches.
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