Helm's plugin verification fails open when .prov is missing, allowing unsigned plugin install
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-35205US | high7.8 | — | ||
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 vu… | ||||
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references
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2026:26441WEB
- https://access.redhat.com/security/cve/CVE-2026-35205WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2456927WEB
- https://github.com/helm/helm/commit/05fa37973dc9e42b76e1d2883494c87174b6074fFIX
- https://github.com/helm/helm/releases/tag/v4.1.4ARTICLE
- https://github.com/helm/helm/security/advisories/GHSA-q5jf-9vfq-h4h7ADVISORY
- https://helm.sh/docs/topics/provenance/#the-provenance-fileWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-35205WEB
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