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CVE-2026-35206

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

Published: Apr 9, 2026Updated: Apr 16, 2026 Sources: CVE List NVD BDUCWE-22
NVD MITRE
4.4CVSSMEDIUM
EPSS Score
0.2%
Top 90.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Helm is a package manager for Charts for Kubernetes. In Helm versions <=3.20.1 and <=4.1.3, a specially crafted Chart will cause helm pull --untar [chart URL | repo/chartname] to write the Chart's contents to the immediate output directory (as defaulted to the current working directory; or as given by the --destination and --untardir flags), rather than the expected output directory suffixed by the chart's name. This vulnerability is fixed in 3.20.2 and 4.1.4.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-22

Affected Products

helmhelm
Mixed
DevTools & CI / artifact-registry
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Red Hat Advanced Cluster SecurityRed Hat Inc.
On-premSecurity Product
Security Products
HelmThe Linux Foundation
Mixed
Cloud & SaaS / virtualization
helmoss-projectDevTools & CI
ооо «ред софт»commercialRUOperating Systemsaka red soft
red hat inc.commercialUSOperating Systemsaka red hat
the linux foundationoss-projectUSCloud & SaaSaka linuxfoundation.org, linux foundation

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/helm/helm/security/advisories/GHSA-hr2v-4r36-88hr
github.com
https://github.com/helm/helm/commit/4e7994d4467182f535b6797c94b5b0e994a91436
github.com
https://github.com/helm/helm/releases/tag/v4.1.4
github.com
and 6 more references View all →

Timeline

Published
Apr 9, 2026
Last Updated
Apr 16, 2026

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