SUSE Rancher 2.15.x Meta Proxy Credential Leak (CVE-2026-88811)
CVE-2026-88811 Published on November 2, 2026
Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy
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,
Vulnerability Analysis
CVE-2026-88811 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Insertion of Sensitive Information Into Sent Data
The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. Sensitive information could include data that is sensitive in and of itself (such as credentials or private messages), or otherwise useful in the further exploitation of the system (such as internal file system structure).
Products Associated with CVE-2026-88811
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Affected Versions
SUSE Rancher:- Version 2.15.0 and below 2.15.3 is affected.
- Version 2.14.0 and below 2.14.7 is affected.
- Version 2.13.0 and below 2.13.11 is affected.
- Version 2.12.0 and below 2.12.15 is affected.
- Version 2.11.0 and below 2.11.19 is affected.