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.
Severity
5.4 (Medium)
{
"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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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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