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CVE-2026-35204 Details

Description

Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, a specially crafted Helm plugin, when installed or updated, will cause Helm to write the contents of the plugin to an arbitrary filesystem location. To prevent this, validate that the plugin.yaml of the Helm plugin does not include a version: field containing POSIX dot-dot path separators ie. "/../". This vulnerability is fixed in 4.1.4.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.6 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CNA: redhat-SADPCVSS-B:8.2 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2026:26441	redhat-SADP
https://access.redhat.com/security/cve/CVE-2026-35204	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2456933	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35204.json	redhat-SADP
https://github.com/helm/helm/commit/36c8539e99bc42d7aef9b87d136254662d04f027	[email protected]	Patch
https://github.com/helm/helm/releases/tag/v4.1.4	[email protected]	ProductRelease Notes
https://github.com/helm/helm/security/advisories/GHSA-vmx8-mqv2-9gmg	[email protected]	MitigationVendor Advisory

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-22	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')	redhat-SADP
CWE-22	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')	[email protected]

Affected Products

Product	Versions
helm helm	>= 4.0.0, < 4.1.4
CPE cpe:2.3:a:helm:helm:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	CVE Modified	redhat-SADP
Jun 30, 2026	CVE Modified	redhat-SADP
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 17, 2026	Initial Analysis	[email protected]
Apr 9, 2026	New CVE Received	[email protected]