Insufficient Granularity of Access Control Affecting github.com/rancher/rancher/pkg/controllers/management/auth package, versions >=2.2.0 <2.4.16>=2.5.0 <2.5.9


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.85% (56th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMRANCHERRANCHERPKGCONTROLLERSMANAGEMENTAUTH-15435624
  • published6 Mar 2026
  • disclosed3 Mar 2026
  • creditUnknown

Introduced: 3 Mar 2026

CVE-2021-25320  (opens in a new tab)
CWE-1220  (opens in a new tab)

How to fix?

Upgrade github.com/rancher/rancher/pkg/controllers/management/auth to version 2.4.16, 2.5.9 or higher.

Overview

Affected versions of this package are vulnerable to Insufficient Granularity of Access Control in the cloud providers API. An attacker can gain unauthorized access to cloud provider APIs and perform actions with attached cloud credentials by sending crafted requests through the proxy API while authenticated as a valid user and knowing a valid cloud-credential ID.

CVSS Base Scores

version 4.0
version 3.1