{"id":"CVE-2025-11065","aliases":["GHSA-2464-8j7c-4cjm","GO-2025-3900"],"url":"https://o3.security/vulnerability/CVE-2025-11065","summary":"Github.com/go-viper/mapstructure/v2: go-viper's mapstructure may leak sensitive information in logs in github.com/go-viper/mapstructure","details":"A flaw was found in github.com/go-viper/mapstructure/v2, in the field processing component using mapstructure.WeakDecode. This vulnerability allows information disclosure through detailed error messages that may leak sensitive input values via malformed user-supplied data processed in security-critical contexts.","published":"2026-01-26T19:36:28.900Z","modified":"2026-08-12T03:51:09.514398709Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"},"epss":{"score":0.00363,"percentile":0.29626,"asOf":"2026-09-10"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/go-viper/mapstructure/v2","fixedVersion":"2.4.0"}],"fix":{"url":"https://github.com/go-viper/mapstructure/commit/742921c9ba2854d27baa64272487fc5075d2c39c","label":"go-viper/mapstructure@742921c"},"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://github.com/go-viper/mapstructure/"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2025-11065"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11065.json"},{"type":"ADVISORY","url":"https://github.com/go-viper/mapstructure/security/advisories/GHSA-2464-8j7c-4cjm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11065"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2391829"},{"type":"FIX","url":"https://github.com/go-viper/mapstructure/commit/742921c9ba2854d27baa64272487fc5075d2c39c"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:09.514398709Z"}}