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CVE-2026-35205Helm's plugin verification fails open when .prov is missing, allowing unsigned plugin install
- 8.4HighCVSS base score
- 0.22%Exploitation in 30 daysEPSS · top 87% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By GitHub_M
- 8 days later
· 8 days later
Published
- 3 months later
· 3 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (14 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.
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
References8
- 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)
- EUVD EUVD-2026-20901 (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://cveledger.app/cve/CVE-2026-35205)Record last updated .