CVE-2026-41053 - Vulnerability Details - OpenCVE

Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

SUSE

Rancher

unaffected

Version	Status	Constraints
`2.14.0`	affected	< 2.14.2
`2.13.0`	affected	< 2.13.6

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh

History

Tue, 30 Jun 2026 12:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 30 Jun 2026 11:45:00 +0000

Type	Values Removed	Values Added
Description		Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.
Title		Over-inclusive team membership expansion in GitHub App authentication provider for Rancher
Weaknesses		CWE-303
References		https://github.com/rancher/rancher/security/advisories/GHSA-4j6x-2764-m8gh
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: suse

Published: 2026-06-30T11:38:25.060Z

Updated: 2026-06-30T12:09:00.467Z

Reserved: 2026-04-16T13:37:50.680Z

Link: CVE-2026-41053

Vulnrichment

Updated: 2026-06-30T12:08:49.675Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-30T12:30:13Z

Weaknesses

CWE-303

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