CVE-2026-22806

CRITICAL

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created ...

Affects 0 products across 5 vendors.

CVSS 3.19.1
EPSS0.5%
Percentile41th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, high privileges required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-863: Incorrect Authorization

Software performs an authorization check incorrectly, allowing access beyond intended privileges.

◆ AI Analysis — automated analysis, not human-reviewed

A vulnerability in vCluster Platform prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10 allows an attacker to bypass the scope of an access key, potentially accessing resources outside of its intended scope. However, the attacker cannot access resources beyond what is accessible to the owner of the access key.

BSID: BS-2026-GLOBAL-276482-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2026-22806?
A vulnerability in vCluster Platform prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10 allows an attacker to bypass the scope of an access key, potentially accessing resources outside of its intended scope. However, the attacker cannot access resources beyond what is accessible to the owner of the access key.
What is the CVSS score for CVE-2026-22806?
CVE-2026-22806 has CVSS 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS: 0.5%.
Is CVE-2026-22806 actively exploited?
No confirmed active exploitation of CVE-2026-22806 as of 2026-09-25.
How do I remediate CVE-2026-22806?
Priority: HIGH.
What systems are affected by CVE-2026-22806?
CVE-2026-22806 affects Beyond; Cannot; Kubernetes; Platform; Tenancy.
Vulnerability Details
CVE IDCVE-2026-22806
BSIDBS-2026-GLOBAL-276482-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published2026-01-29
Last Modified2026-06-17
ICS Relevance15%
Weakness (CWE)
Domains
CLOUD
SourceNVD
Official Description

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user still cannot access resources beyond what is accessible to the owner of the access key. Versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10 fix the vulnerability. Some other mitigations are available. Users can limit exposure by reviewing access keys which are scoped and ensuring any users with access to them have appropriate permissions set. Creating automation users with very limited permissions and using access keys for these automation users can be used as a temporary workaround where upgrading is not immediately possible but scoped access keys are needed.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The attack vector involves creating an access key with a limited scope and then exploiting a flaw in the scope enforcement mechanism to access resources outside of the intended scope. This can be achieved by manipulating the access key or the way it is validated by the system.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductAffected Versions
Beyond — —
Cannot — —
Kubernetes — —
Platform — —
Tenancy — —
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 259 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hasha7323462ab001434262faceb7ec2bbdd272ebc79d412e3668d1f14e7c2607cae8322c927d9c702d9f4ddb6391c4065cc95bd33387a3b1b11de09d58a784cda0d
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