CVE-2026-35205

Helm's plugin verification fails open when .prov is missing, allowing unsigned plugin install

Published Apr 9, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, Helm will install plugins missing provenance (.prov file) when signature verification is required. This vulnerability is fixed in 4.1.4.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-q5jf-9vfq-h4h7 Helm's plugin verification fails open when .prov is missing, allowing unsigned plugin install
History
Type Values Removed Values Added
CPEs cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Helm
Helm helm
Vendors & Products Helm
Helm helm
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, Helm will install plugins missing provenance (.prov file) when signature verification is required. This vulnerability is fixed in 4.1.4.
Title Helm's plugin verification fails open when .prov is missing, allowing unsigned plugin install
Weaknesses CWE-636
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 15, 2026, 1:02 AM
Reserved
Apr 1, 2026, 6:48 PM
Status
Modified
Published
Apr 9, 2026, 4:16 PM
Modified
Jul 15, 2026, 2:20 AM