GHSA-R427-J2H7-WV3M

Vulnerability from github – Published: 2026-06-18 13:04 – Updated: 2026-06-18 13:04
VLAI
Summary
Strimzi: Unrestricted access to all Secrets within namespace watched by the Topic operator
Details

Impact

When only the Topic or only the User operators are deployed as part of the Entity Operator in the Kafka custom resource, the RBAC rights are not following the principle of least-privilege and the Entity Operator ServiceAccount still has access rights corresponding to both operators. That might allow the ServiceAccount to access KafkaUser custom resources and Secrets when the User operator is not deployed and access KafkaTopic custom resources when the Topic operator is not deployed.

Patches

The issue is fixed in Strimzi 1.0.1 and 1.1.0.

Workarounds

There is no workaround for this issue.

Show details on source website

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.0.0"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.strimzi:strimzi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-55226"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269",
      "CWE-272"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-18T13:04:49Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nWhen only the Topic or only the User operators are deployed as part of the Entity Operator in the `Kafka` custom resource, the RBAC rights are not following the principle of least-privilege and the Entity Operator ServiceAccount still has access rights corresponding to both operators. That might allow the ServiceAccount to access `KafkaUser` custom resources and Secrets when the User operator is not deployed and access `KafkaTopic` custom resources when the Topic operator is not deployed.\n\n### Patches\n\nThe issue is fixed in Strimzi 1.0.1 and 1.1.0.\n\n### Workarounds\n\nThere is no workaround for this issue.",
  "id": "GHSA-r427-j2h7-wv3m",
  "modified": "2026-06-18T13:04:49Z",
  "published": "2026-06-18T13:04:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/strimzi/strimzi-kafka-operator/security/advisories/GHSA-r427-j2h7-wv3m"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/strimzi/strimzi-kafka-operator"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Strimzi: Unrestricted access to all Secrets within namespace watched by the Topic operator"
}



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