SUSE Rancher up to 2.15.2 Meta Proxy access control

Summaryinfo

A vulnerability identified as critical has been detected in SUSE Rancher up to 2.11.18/2.12.14/2.13.10/2.14.6/2.15.2. Affected by this vulnerability is an unknown functionality of the component Meta Proxy. The manipulation leads to access control. This vulnerability is referenced as CVE-2026-88811. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in SUSE Rancher up to 2.11.18/2.12.14/2.13.10/2.14.6/2.15.2 and classified as critical. This issue affects some unknown functionality of the component Meta Proxy. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Missing filtering in the SUSE Rancher Manager meta proxy could cause passed in rancher credentials to be leaked to cloud providers. This affects SUSE Rancher 2.15.0 up to 2.15.3, 2.14.0 up to 2.14.7, 2.13.0 up to 2.13.11,

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-88811 since 09/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/03/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 2.11.19, 2.12.15, 2.13.11, 2.14.7 or 2.15.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-115330) and CERT Bund (WID-SEC-2026-4246). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Rancher Rancher

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
• 2.11.16
• 2.11.17
• 2.11.18
• 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
• 2.12.12
• 2.12.13
• 2.12.14
• 2.13.0
• 2.13.1
• 2.13.2
• 2.13.3
• 2.13.4
• 2.13.5
• 2.13.6
• 2.13.7
• 2.13.8
• 2.13.9
• 2.13.10
• 2.14.0
• 2.14.1
• 2.14.2
• 2.14.3
• 2.14.4
• 2.14.5
• 2.14.6
• 2.15.0
• 2.15.1
• 2.15.2

License

• open-source

Website

• Vendor: https://www.suse.com/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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