What is CVE-2026-30963?

CVE-2026-30963 is a low-severity vulnerability in Projectcapsule Capsule, classified under Improper Input Validation. CVSS score: 3.9/10. Published 2026-06-01.

How severe is CVE-2026-30963?

Low severity. CVSS v3 base score is 3.9 out of 10.

Improper input validation in Projectcapsule Capsule

CVE-2026-30963

Capsule is a multi-tenancy and policy-based framework for Kubernetes. To defend against namespace hijacking achieved through update/patch operations on namespaces, Capsule uses a webhook to validate update requests targeting namespaces. Ho…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L.

Affected products

Projectcapsule Capsule — versions < 0.13.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-30963?: CVE-2026-30963 is a low-severity vulnerability in Projectcapsule Capsule, classified under Improper Input Validation. CVSS score: 3.9/10. Published 2026-06-01.
How severe is CVE-2026-30963?: Low severity. CVSS v3 base score is 3.9 out of 10.