{"id":"CVE-2026-25680","aliases":["GHSA-5cv4-jp36-h3mw","GO-2026-5028"],"url":"https://o3.security/vulnerability/CVE-2026-25680","summary":"Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html","details":"Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.","published":"2026-05-22T15:01:21.805Z","modified":"2026-08-21T09:27:00.869377295Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":{"score":0.00326,"percentile":0.25566,"asOf":"2026-08-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"golang.org/x/net","fixedVersion":"0.55.0"}],"fix":null,"references":[{"type":"WEB","url":"https://go.dev/cl/781702"},{"type":"WEB","url":"https://go.dev/issue/79573"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8"},{"type":"WEB","url":"https://pkg.go.dev"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-5028"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25680.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25680"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-21T09:27:00.869377295Z"}}