VulnerabilityModified
CVE-2026-35205
From 4.0.0 to 4.1.3, Helm will install plugins missing provenance (.prov file) when signature verification is required.
HIGH 8.4EPSS 0.22%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.4 HIGHCVSS: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/M
- EPSS
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-636, CWE-347
- Affected
- helm/helm
- Source
- security-advisories@github.com
References
- https://github.com/helm/helm/commit/05fa37973dc9e42b76e1d2883494c87174b6074fPatch
- https://github.com/helm/helm/releases/tag/v4.1.4Product, Release Notes
- https://github.com/helm/helm/security/advisories/GHSA-q5jf-9vfq-h4h7Mitigation, Vendor Advisory
- https://helm.sh/docs/topics/provenance/#the-provenance-fileProduct
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.