What is CVE-2026-22806?

CVE-2026-22806 is a critical-severity vulnerability in Loft-sh Loft, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2026-01-29.

How severe is CVE-2026-22806?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Loft-sh Loft

CVE-2026-22806

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 byp…

Vulnerability class: Broken Access Control

EPSS: 0.000 (5.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Loft-sh Loft — versions < 4.3.10, >= 4.4.0, < 4.4.2, >= 4.5.3, < 4.5.3

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/loft-sh/loft/security/advisories/GHSA-c539-w4ch-7wxq (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-22806?: CVE-2026-22806 is a critical-severity vulnerability in Loft-sh Loft, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2026-01-29.
How severe is CVE-2026-22806?: Critical severity. CVSS v3 base score is 9.1 out of 10.