CVE-2026-116593

Full vulnerability record from the local CVENow database.

Description

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 Connect worker. Users are recommended to upgrade to version 4.2.2, 4.3.2, 4.4.0 or above, which fix this issue.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-10-28 17:18:00.740000

Last modified

2026-10-29 15:04:37.187000

View original CVE JSON

{
  "id": "CVE-2026-116593",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-28T17:18:00.740",
  "lastModified": "2026-10-29T15:04:37.187",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Kafka Connect has the /connector-plugins/{connector-type}/config/validate endpoint on its REST API to validate connector configurations.\nApache Kafka Connect also support Configuration Providers which enable to hide the values of sensitive configuration and only resolve them at runtime. \n\nAn 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.\n\nUsers are recommended to upgrade to version 4.2.2, 4.3.2, 4.4.0 or above, which fix this issue."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Kafka",
          "defaultStatus": "unaffected",
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "packageName": "org.apache.kafka:connect-runtime",
          "packageURL": "pkg:maven/org.apache.kafka/connect-runtime",
          "versions": [
            {
              "version": "2.4.0",
              "lessThan": "4.2.2",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "4.3.0",
              "lessThan": "4.3.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://kafka.apache.org/cve-list",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/28/16",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}