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GHSA-r427-j2h7-wv3m

MediumCVSS 5.4 / 10
Published Jun 18, 2026·Last modified Jun 18, 2026
Affected Components(0)

No affected components available

Description

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.

Risk Scores
Base Score
5.4

The vulnerability can be exploited over a local network, such as Wi-Fi. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence
5.0

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-55226
    Alias

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