CVE-2026-116593: Apache Kafka Connect has the /connector-plugins/{connector-type}/config/validate endpoint on its REST API to v

Routine

HIGH n/aWATCHLIST

CVE-2026-116593 is a high-severity flaw (CVSS n/a) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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. 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

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	n/a (High)
EPSS exploit chance	n/a
CISA exploited list	No
Published	2026-10-28
Last modified	2026-10-28

Publisher (CNA): Apache Software Foundation

Last updated 2026-10-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-28 17:18 UTCPublished CVE record published
2026-10-28 17:18 UTCUpdated Record last modified

Advisories and coverage

Research and news

oss-security list: CVE-2026-116593: Apache Kafka: Kafka Connect configuration provider values exposed via validation REST API endpoint 2026-10-28

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-116593?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-116593 being exploited?

CVE-2026-116593 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-116593 affect?

CVE-2026-116593 affects affected software. Severity is high (CVSS n/a). 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 sen

How urgent is CVE-2026-116593?

Priority 5/100. On your watchlist

Software pages

Apache Kafka vulnerabilities

References

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