{"id":"CVE-2020-15186","aliases":["BIT-helm-2020-15186","GHSA-m54r-vrmv-hw33"],"url":"https://o3.security/vulnerability/CVE-2020-15186","summary":"Improper Sanitizing of plugin names in helm","details":"### Impact\n\nSecurity researchers at Trail of Bits discovered that plugin names are not sanitized properly. As a result, a malicious plugin author could use characters in a plugin name that would result in unexpected behavior, such as duplicating the name of another plugin or spoofing the output to `helm --help`.\n\n### Specific Go Packages Affected\nhelm.sh/helm/v3/pkg/plugin\n\n### Patches\n\nThis issue has been patched in Helm 3.3.2.\n\n### Workarounds\n\nDo not install untrusted Helm plugins. Examine the `name` field in the `plugin.yaml` file for a plugin, looking for characters outside of the [a-zA-Z0-9._-] range.","published":"2020-09-17T22:15:12.520Z","modified":"2026-07-09T11:34:53.683048Z","cvss":{"score":2.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"helm.sh/helm/v3","fixedVersion":"3.3.2"},{"ecosystem":"Go","name":"helm.sh/helm","fixedVersion":"2.16.11"}],"fix":{"url":"https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542","label":"helm/helm@809e2d9"},"references":[{"type":"ADVISORY","url":"https://github.com/helm/helm/security/advisories/GHSA-m54r-vrmv-hw33"},{"type":"FIX","url":"https://github.com/helm/helm/commit/809e2d999e2c33e20e77f6bff30652d79c287542"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15186"},{"type":"WEB","url":"https://github.com/helm/helm/commit/c8d6b01d72c9604e43ee70d0d78fadd54c2d8499"},{"type":"PACKAGE","url":"https://github.com/helm/helm"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T11:34:53.683048Z"}}