What is CVE-2026-29773?

CVE-2026-29773 is a medium-severity vulnerability in Kubewarden Kubewarden-controller, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-10.

How severe is CVE-2026-29773?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Kubewarden Kubewarden-controller

CVE-2026-29773

Kubewarden is a policy engine for Kubernetes. Kubewarden cluster operators can grant permissions to users to deploy namespaced AdmissionPolicies and AdmissionPolicyGroups in their Namespaces. One of Kubewarden promises is that configured u…

Vulnerability class: Broken Access Control

EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Kubewarden Kubewarden-controller — versions < 1.33.0
Linuxfoundation Kubewarden

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-29773?: CVE-2026-29773 is a medium-severity vulnerability in Kubewarden Kubewarden-controller, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-10.
How severe is CVE-2026-29773?: Medium severity. CVSS v3 base score is 4.3 out of 10.