What’s Vulnerable › Vulnerabilities

CVE-2021-36782: Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-09-07 · updated 2026-06-17
• Weakness: CWE-312

Description

A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners, Project Members and User Base to use the Kubernetes API to retrieve plaintext version of sensitive data. This issue affects: SUSE Rancher Rancher versions prior to 2.5.16; Rancher versions prior to 2.6.7.

Affected products

• SUSE Rancher: from 2.5.0 before 2.5.16; from 2.6.0 before 2.6.7 — fixed in 2.5.16, 2.6.7

How to fix

Upgrade to a fixed version: SUSE Rancher 2.5.16, 2.6.7. Check the vendor advisory for mitigations.

References

• https://bugzilla.suse.com/show_bug.cgi?id=1193988
• https://github.com/rancher/rancher/security/advisories/GHSA-g7j7-h4q8-8w2f
• https://bugzilla.suse.com/show_bug.cgi?id=1193988
• https://github.com/rancher/rancher/security/advisories/GHSA-g7j7-h4q8-8w2f

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