How severe is CVE-2026-35205?

CVE-2026-35205 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-35205 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35205?

CVE-2026-35205 affects Helm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35205?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-35205 have an EU (EUVD) identifier?

Yes. CVE-2026-35205 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20901.

When was CVE-2026-35205 published?

CVE-2026-35205 was published on 2026-04-09 and last updated on 2026-06-30.

CVE-2026-35205

CVE-2026-35205 is a high-severity vulnerability in Helm with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-636.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.4
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20901
Weakness: CWE-636
Affected product: Helm
Published: 2026-04-09
Last modified: 2026-06-30

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.

Frequently asked questions

What is CVE-2026-35205?: 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.
How severe is CVE-2026-35205?: CVE-2026-35205 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-35205 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35205?: CVE-2026-35205 affects Helm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35205?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-35205 have an EU (EUVD) identifier?: Yes. CVE-2026-35205 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20901.
When was CVE-2026-35205 published?: CVE-2026-35205 was published on 2026-04-09 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*

More vulnerabilities in Helm

CVE-2019-18658 — Critical (CVSS 9.8): In Helm 2.x before 2.15.2, commands that deal with loading a chart as a directory or packaging a chart provide an…
CVE-2019-1010275 — Critical (CVSS 9.8): helm Before 2.7.2 is affected by: CWE-295: Improper Certificate Validation. The impact is: Unauthorized clients could…
CVE-2026-35204 — High (CVSS 8.6): Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, a specially crafted Helm plugin, when…
CVE-2025-53547 — High (CVSS 8.5): Helm is a package manager for Charts for Kubernetes. Prior to 3.18.4, a specially crafted Chart.yaml file along with a…
CVE-2020-11013 — High (CVSS 8.5): Their is an information disclosure vulnerability in Helm from version 3.1.0 and before version 3.2.0. `lookup` is a…
CVE-2022-36049 — High (CVSS 7.7): Flux2 is a tool for keeping Kubernetes clusters in sync with sources of configuration, and Flux's helm-controller is a…

All CVEs affecting Helm →

Other CWE-636 vulnerabilities

CVE-2026-22034 — Critical (CVSS 9.8): Snuffleupagus is a module that raises the cost of attacks against website by killing bug classes and providing a…
CVE-2024-3729 — Critical (CVSS 9.8): The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to improper missing encryption exception handling…
CVE-2026-40525 — Critical (CVSS 9.1): OpenViking prior to version 0.3.9 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route…
CVE-2024-43532 — High (CVSS 8.8): Remote Registry Service Elevation of Privilege Vulnerability
CVE-2025-54870 — High (CVSS 8.7): VTun-ng is a Virtual Tunnel over TCP/IP network. In versions 3.0.17 and below, failure to initialize encryption modules…
CVE-2026-54762 — High (CVSS 8.6): Traefik is an HTTP reverse proxy and load balancer. From 3.7.0-ea.1 until 3.7.5, there is a medium severity…

Browse all CWE-636 vulnerabilities →