{"id":"CVE-2026-126797","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-126797","summary":"NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing…","details":"NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full access to user management, scan tasks and stored vulnerability results.","published":"2026-11-11T21:16:43.027","modified":"2026-11-11T21:16:43.027","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/tongcheng-security-team/NextScan/blob/v1.2.0/docker/docker-compose.yaml"},{"type":"WEB","url":"https://github.com/tongcheng-security-team/NextScan/issues/48"},{"type":"WEB","url":"https://hub.docker.com/r/lysec/ns-admin"},{"type":"WEB","url":"https://vul.yulun.ac.cn/20261107/nextscan/"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/nextscan-1.1.0-through-1.2.0-hardcoded-jwt-key-authentication-bypass-in-ns-admin"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-11T21:16:43.027"}}