SUSE Rancher up to 2.11.15/2.12.11/2.13.7/2.14.1 Impersonation Middleware impersonate.go privileges management

Summaryinfo

A vulnerability, which was classified as critical, has been found in SUSE Rancher up to 2.11.15/2.12.11/2.13.7/2.14.1. Impacted is an unknown function of the file pkg/auth/requests/impersonate.go of the component Impersonation Middleware. This manipulation causes privileges management. The identification of this vulnerability is CVE-2026-44945. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in SUSE Rancher up to 2.11.15/2.12.11/2.13.7/2.14.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the file pkg/auth/requests/impersonate.go of the component Impersonation Middleware. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it manages. This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-44945 since 05/08/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/05/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 2.11.16, 2.12.12, 2.13.8 or 2.14.2 eliminates this vulnerability.

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Productinfo

Vendor

• SUSE

Name

• Rancher

Version

• 2.11.0
• 2.11.1
• 2.11.2
• 2.11.3
• 2.11.4
• 2.11.5
• 2.11.6
• 2.11.7
• 2.11.8
• 2.11.9
• 2.11.10
• 2.11.11
• 2.11.12
• 2.11.13
• 2.11.14
• 2.11.15
• 2.12.0
• 2.12.1
• 2.12.2
• 2.12.3
• 2.12.4
• 2.12.5
• 2.12.6
• 2.12.7
• 2.12.8
• 2.12.9
• 2.12.10
• 2.12.11
• 2.13.0
• 2.13.1
• 2.13.2
• 2.13.3
• 2.13.4
• 2.13.5
• 2.13.6
• 2.13.7
• 2.14.0
• 2.14.1

License

• open-source

Website

• Vendor: https://www.suse.com/

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