Improper Validation of Specified Quantity in Input Affecting org.springframework.kafka:spring-kafka package, versions [,3.3.16)[4.0.0-M1,4.0.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Jun 2026
- disclosed10 Jun 2026
- creditUnknown
Introduced: 10 Jun 2026
NewCVE-2026-41727 (opens in a new tab)How to fix?
Upgrade org.springframework.kafka:spring-kafka to version 3.3.16, 4.0.6 or higher.
Overview
Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the retry_topic-attempts header. An attacker can manipulate retry routing and backoff behavior by sending crafted headers with out-of-range attempt counts.