Rancher issues long-lived registration tokens to authenticate nodes and agents joining a downstream cluster. These tokens were stored and exposed in plaintext with no expiration, so a malicious user could obtain one either through the Rancher API, etcd, stored automation, or direct file access on a node, and could use it at any time to register a rogue node into the cluster.

Project Subscriptions

Vendors Products
Rancher Subscribe
Rancher Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 05 Aug 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Rancher
Rancher rancher
Vendors & Products Rancher
Rancher rancher

Wed, 05 Aug 2026 08:15:00 +0000

Type Values Removed Values Added
Description Rancher issues long-lived registration tokens to authenticate nodes and agents joining a downstream cluster. These tokens were stored and exposed in plaintext with no expiration, so a malicious user could obtain one either through the Rancher API, etcd, stored automation, or direct file access on a node, and could use it at any time to register a rogue node into the cluster.
Title Long-lived Rancher registration token exposed in plaintext
Weaknesses CWE-312
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: suse

Published:

Updated: 2026-08-05T07:53:00.194Z

Reserved: 2026-06-18T09:26:55.987Z

Link: CVE-2026-55997

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-05T09:30:11Z

Weaknesses