MEDIUM🇬🇧 English

CVE-2026-33558

CVSS 5.3v3.1pub. 2026-04-20upd. 2026-04-22

Information exposure vulnerability has been identified in Apache Kafka. The NetworkClient component will output entire requests and responses information in the DEBUG log level in the logs. By default, the log level is set to INFO level. If the DEBUG level is enabled, the sensitive information will be exposed via the requests and responses output log. The entire lists of impacted requests and responses are: * AlterConfigsRequest * AlterUserScramCredentialsRequest * ExpireDelegationTokenRequest * IncrementalAlterConfigsRequest * RenewDelegationTokenRequest * SaslAuthenticateRequest * createDelegationTokenResponse * describeDelegationTokenResponse * SaslAuthenticateResponse This issue affects Apache Kafka: from any version supported the listed API above through v3.9.1, v4.0.0. We advise the Kafka users to upgrade to v3.9.2, v4.0.1, or later to avoid this vulnerability.

oryginał EN
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Apache Kafka

    APP
    Apache
    4.0.00.11.0.0 – 3.9.2 (bez)
🔵
ZWERYFIKUJ U PRODUCENTA
Brak jednoznacznych danych o patchu. Sprawdź referencje od producenta.
CWE
Referencje

Powiązane podatności

CVE-2026-33557CRITICAL9.1PL ✓ten sam produkt

Apache Kafka: brak walidacji podpisu JWT w domyślnej konfiguracji SASL/OAUTHBEARER

CVE-2025-27817HIGH7.5ten sam produkt

A possible arbitrary file read and SSRF vulnerability has been identified in Apache Kafka Client. Apache Kafka...

CVE-2025-27819HIGH7.5ten sam produkt

In CVE-2023-25194, we announced the RCE/Denial of service attack via SASL JAAS JndiLoginModule configuration i...

CVE-2025-27818HIGH8.8ten sam produkt

A possible security vulnerability has been identified in Apache Kafka. This requires access to a alterConfig t...

CVE-2024-27309HIGH7.4ten sam produkt

While an Apache Kafka cluster is being migrated from ZooKeeper mode to KRaft mode, in some cases ACLs will not...