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CVE-2026-35205
Helm's plugin verification fails open when .prov is missing, allowing unsigned plugin install
High8.4EPSS 0.22%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 4.0 | High8.4 | 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 |
| redhat-SADPADP (enrichment) | 3.1 | High8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 4.0 | High8.4 | 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:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.22% · top 87% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Weakness
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gohelm.sh/helm/v4GHSA-q5jf-9vfq-h4h7 (opens in a new tab)
References (8)
- https://github.com/helm/helm/security/advisories/GHSA-q5jf-9vfq-h4h7 (opens in a new tab)x_refsource_CONFIRM
- https://github.com/helm/helm/commit/05fa37973dc9e42b76e1d2883494c87174b6074f (opens in a new tab)x_refsource_MISC
- https://github.com/helm/helm/releases/tag/v4.1.4 (opens in a new tab)x_refsource_MISC
- https://helm.sh/docs/topics/provenance/#the-provenance-file (opens in a new tab)x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2026-35205 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2456927 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35205.json (opens in a new tab)x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:26441 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-q5jf-9vfq-h4h7 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-35205)Record last updated .