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CVE-2026-88811

Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy

CRITICAL
9.1
CVSS Score
Published: November 2, 2026 at 04:48 PM UTC
Updated: November 3, 2026 at 05:18 AM UTC
1 product affected across 1 vendorRancher

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Severity
CRITICAL9.1
SSVC
No known exploit

Description

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,

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://github.com/rancher/rancher/security/advisories/GHSA-x82x-2qj6-5rm2

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.1CRITICALsuse
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-201

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