# 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.

- Web page: https://patchblox.com/security/cve/CVE-2026-35206
- Priority: Routine
- CVSS: n/a (Moderate)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 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

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260727T201416-160000.1.1 | [OPENSUSE-SU-2026:21551-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21551-1.md) | Aug 10, 2026 |
| Linux | govulncheck-vulndb sles 16.0 | 0.0.20260727T201416-160000.1.1 | [SUSE-SU-2026:23227-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23227-1.md) | Aug 10, 2026 |
| Linux | helm opensuse-leap 16.0 | 4.3.0-160000.1.1 | [OPENSUSE-SU-2026:21983-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21983-1.md) | Sep 30, 2026 |
| Linux | helm sles 15.7 | 3.20.2-150000.1.71.2 | [SUSE-SU-2026:1483-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1483-1.md) | Apr 20, 2026 |
| Linux | helm sles 16.0 | 4.3.0-160000.1.1 | [SUSE-SU-2026:23984-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23984-1.md) | Sep 30, 2026 |

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Data as of 2026-11-10T07:50:38Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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