πŸ” CVE Alert

CVE-2026-116593

UNKNOWN 0.0

Apache Kafka: Kafka Connect configuration provider values exposed via validation REST API endpoint

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

Apache Kafka Connect has the /connector-plugins/{connector-type}/config/validate endpoint on its REST API to validate connector configurations. Apache Kafka Connect also support Configuration Providers which enable to hide the values of sensitive configuration and only resolve them at runtime.Β  An attacker with access to the validate endpoint can use it to resolve and return plaintext values via any of the configuration providers installed on a Connect worker. Users are recommended to upgrade to version 4.2.2, 4.3.2, 4.4.0 or above, which fix this issue.

Vendor apache software foundation
Product apache kafka
Published Oct 28, 2026
Last Updated Oct 28, 2026
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Affected Versions

Apache Software Foundation / Apache Kafka
2.4.0 < 4.2.2 4.3.0 < 4.3.2

References

NVD β†— CVE.org β†— EPSS Data β†—
kafka.apache.org: https://kafka.apache.org/cve-list openwall.com: http://www.openwall.com/lists/oss-security/2026/10/28/16

Credits

πŸ” Hyunwoo Kim <[email protected]> πŸ” Sudhanshu Chauhan <[email protected]>, RedHunt Labs πŸ” BartΕ‚omiej Dmitruk <[email protected]>, Striga πŸ” Andrew MacPherson <[email protected]> Mickael Maison <[email protected]>