CVE-2019-18658
highpriority · track · 40EPSS 0.017 · 78 %ileEUUSEPSS · scored 2026-10-27
In Helm 2.x before 2.15.2, commands that deal with loading a chart as a directory or packaging a chart provide an opportunity for a maliciously designed chart to include sensitive content such as /etc/passwd, or to execute a denial of service (DoS) via a special file such as /dev/urandom, via symlinks. No version of Tiller is known to be impacted. This is a client-only issue.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-p5pc-m4q7-7qm9Helm Unsafe Link Following2022-05-24ghsa · osvUS
In Helm 2.x before 2.15.2, commands that deal with loading a chart as a directory or packaging a chart provide an opportunity for a maliciously designed chart to include sensitive content such as `/etc/passwd`, or to execute a denial of service (DoS) via a special file such as /dev/urandom, via symlinks. No version of Tiller is known to be impacted. This is a client-only issue.
- GO-2023-1938Helm Unsafe Link Following in helm.sh/helm2024-08-20vendor · osvUS
Helm Unsafe Link Following in helm.sh/helm
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://helm.sh/blog/2019-10-30-helm-symlink-security-notice/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-18658cnnvd
- https://vigilance.fr/vulnerability/Helm-file-reading-via-Chart-Include-38473cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2682cnnvd
- https://helm.sh/blog/2019-10-30-helm-symlink-security-notice/enisa_euvd
- https://helm.sh/blog/2019-10-30-helm-symlink-security-notice/Vendor Advisorynvd
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