8.4

CVE-2026-35205

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Helm ≫ Helm Version >= 4.0.0 < 4.1.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.127
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
security-advisories@github.com 8.4 0 0
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
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 8 2.1 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

CWE-636 Not Failing Securely ('Failing Open')

When the product encounters an error condition or failure, its design requires it to fall back to a state that is less secure than other options that are available, such as selecting the weakest encryption algorithm or using the most permissive access control restrictions.

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