Vulnerability record · CVE-2026-35205 · published 9 April 2026

CVE-2026-35205: Helm improper verification of cryptographic signature vulnerability

Helm · Helm

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.

8.4 CVSS 4.0 High EPSS 0.28% · top 81.8% CWE-636 · CWE-636CWE-347 · Improper verification of cryptographic signature

8.4CVSS 4.0 base score

0.28%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

15 Jul 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Helm Helm

References

Link	Tags
https://github.com/helm/helm/commit/05fa37973dc9e42b76e1d2883494c87174b6074f	Patch
https://github.com/helm/helm/releases/tag/v4.1.4	ProductRelease Notes
https://github.com/helm/helm/security/advisories/GHSA-q5jf-9vfq-h4h7	MitigationVendor Advisory
https://helm.sh/docs/topics/provenance/#the-provenance-file	Product
https://access.redhat.com/errata/RHSA-2026:26441
https://access.redhat.com/security/cve/CVE-2026-35205
https://bugzilla.redhat.com/show_bug.cgi?id=2456927
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35205.json

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-35205), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.