{"cve":"CVE-2019-18658","nvd":{"published":"2019-11-12T14:15:11.343","modified":"2026-06-17T02:25:14.560","status":"Modified","description":"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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-59"],"references":["https://helm.sh/blog/2019-10-30-helm-symlink-security-notice/","https://helm.sh/blog/2019-10-30-helm-symlink-security-notice/"],"products":["helm:helm"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-18658","score":0.01745,"percentile":0.77804,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p5pc-m4q7-7qm9","url":"https://osv.dev/vulnerability/GHSA-p5pc-m4q7-7qm9","summary":"Helm Unsafe Link Following","modified":"2024-08-20T20:58:38.061127Z","packages":[{"ecosystem":"Go","name":"helm.sh/helm","purl":"pkg:golang/helm.sh/helm","ranges":[">=2.0.0 <2.15.2"],"fixed":["2.15.2"]}]},{"id":"GO-2023-1938","url":"https://osv.dev/vulnerability/GO-2023-1938","summary":"Helm Unsafe Link Following in helm.sh/helm","modified":"2026-03-03T04:53:59.593249Z","packages":[{"ecosystem":"Go","name":"helm.sh/helm","purl":"pkg:golang/helm.sh/helm","ranges":[">=2.0.0+incompatible <2.15.2+incompatible"],"fixed":["2.15.2+incompatible"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}