CVE-2026-35206

Helm Chart extraction output directory collapse via `Chart.yaml` name dot-segment

CVE-2026-35206 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:1483-1, released April 20, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0021

10th percentile

This update for helm fixes the following issues: - CVE-2025-55199: crafted JSON Schema can lead to out of memory (OOM) termination (bsc#1248093). - CVE-2026-35206: files written to unexpected directory via specially crafted Chart(bsc#1261938). Changes for helm: - Update to version 3.20.2

Where it's fixed

Product	Fixed in	Fix	Released
Linux
govulncheck-vulndb · opensuse-leap 16.0	0.0.20260727T201416-160000.1.1	OPENSUSE-SU-2026:21551-1	Aug 10, 2026
govulncheck-vulndb · sles 16.0	0.0.20260727T201416-160000.1.1	SUSE-SU-2026:23227-1	Aug 10, 2026
helm · opensuse-leap 16.0	4.3.0-160000.1.1	OPENSUSE-SU-2026:21983-1	Sep 30, 2026
helm · sles 15.7	3.20.2-150000.1.71.2	SUSE-SU-2026:1483-1	Apr 20, 2026
helm · sles 16.0	4.3.0-160000.1.1	SUSE-SU-2026:23984-1	Sep 30, 2026

Details

Published
April 12, 2026
Weakness
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35206

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