{"id":"CVE-2020-15187","aliases":["BIT-helm-2020-15187","GHSA-c52f-pq47-2r9j"],"url":"https://o3.security/vulnerability/CVE-2020-15187","summary":"plugin.yaml file allows for duplicate entries in helm","details":"### Impact\n\nDuring a security audit of Helm's code base, Helm maintainers identified a bug in which a Helm plugin can contain duplicates of the same entry, with the last one always used. If a plugin is compromised, this lowers the level of access that an attacker needs to modify a plugin's install hooks, causing a local execution attack.\n\nTo perform this attack, an attacker must have write access to the git repository or plugin archive (.tgz) while being downloaded (which can occur during a MITM attack on a non-SSL connection).\n\n### Patches\n\nThis issue has been patched in Helm 2.16.11 and Helm 3.3.2.\n\n### Workarounds\n\nMake sure to install plugins using a secure connection protocol like SSL.","published":"2020-09-17T22:15:12.647Z","modified":"2026-10-20T10:51:52.566558932Z","cvss":{"score":4.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L"},"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/6aab63765f99050b115f0aec3d6350c85e8da946","label":"helm/helm@6aab637"},"references":[{"type":"ADVISORY","url":"https://github.com/helm/helm/security/advisories/GHSA-c52f-pq47-2r9j"},{"type":"FIX","url":"https://github.com/helm/helm/commit/6aab63765f99050b115f0aec3d6350c85e8da946"},{"type":"FIX","url":"https://github.com/helm/helm/commit/ac7c07c37d87e09797f714fb57aa5e9cb99d9450"},{"type":"FIX","url":"https://github.com/helm/helm/commit/b0296c0522e837d65f944beefa3fb64fd08ac304"},{"type":"FIX","url":"https://github.com/helm/helm/commit/c8d6b01d72c9604e43ee70d0d78fadd54c2d8499"},{"type":"FIX","url":"https://github.com/helm/helm/commit/d9ef5ce8bad512e325390c0011be1244b8380e4b"},{"type":"FIX","url":"https://github.com/helm/helm/commit/f2ede29480b507b7d8bb152dd8b6b86248b00658"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15187"},{"type":"PACKAGE","url":"https://github.com/helm/helm"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T10:51:52.566558932Z"}}