SUSE Rancher up to 2.15.0 Namespace Creation input validation

Summaryinfo

A vulnerability classified as problematic has been found in SUSE Rancher up to 2.15.0. Affected by this vulnerability is an unknown functionality of the component Namespace Creation. The manipulation leads to input validation. This vulnerability is listed as CVE-2026-75033. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in SUSE Rancher up to 2.15.0 and classified as problematic. This issue affects some unknown processing of the component Namespace Creation. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality. The summary by CVE is:

A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its `field.cattle.io/projectId` annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the annotation to a project ID from another cluster and have that project's secrets copied into a namespace under their control. This issue affects Rancher: before 2.15.1.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-75033 since 08/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/03/2026).

Upgrading to version 2.15.1 eliminates this vulnerability.

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Productinfo

Vendor

• SUSE

Name

• Rancher

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15.0

License

• open-source

Website

• Vendor: https://www.suse.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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