CVE-2026-76402

In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated attacker who can reach the Kafka Connect REST API can configure an HTTP (non-TLS) HEC endpoint, causing the connector to transmit authentication credentials to an attacker-controlled server. The root cause is that HEC endpoint v...

CVE-2026-76403

Splunk Connect for Kafka versions below 2.2.7 are affected by an improper certificate validation flaw in the Kerberos authentication path . When Kerberos is used with the HTTP Event Collector in Splunk Enterprise, the HTTP client is built without applying the configured certificate validation opt...

CVE-2026-76400

Splunk Connect for Kafka versions below 2.2.7 are affected by a denial-of-service vulnerability in the HTTP Event Collector delivery retry handling. The root cause is an unbounded default retry limit for failed event batches, rather than a finite cap. An unauthenticated attacker who can reach the...

CVE-2026-76401

Splunk Connect for Kafka versions below 2.2.7 are affected by a Regular Expression Denial of Service (ReDoS) vulnerability in the timestamp extraction feature. An unauthenticated user with network access to the Kafka Connect REST API can configure timestamp extraction with a crafted regular expre...