Is CVE-2026-59317 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-59317?

CVE-2026-59317 has a CVSS v3 severity of MEDIUM (6.5).

Back

CVE-2026-59317

Description

DeadLetterPublishingRecovererFactory reads the retry_topic-original-timestamp header from an inbound ConsumerRecord and passes its raw bytes directly to new BigInteger(header.value()) with no length or format validation. Spring for Apache Kafka 4.1.0 Spring for Apache Kafka 4.0.0 - 4.0.6 Spring for Apache Kafka 3.0.0 - 3.3.16 Spring for Apache Kafka 2.9.0 - 2.9.14 Spring for Apache Kafka 2.8.12 and earlier