{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-126797","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-11T20:01:46.748Z","datePublished":"2026-11-11T20:53:02.665Z","dateUpdated":"2026-11-11T20:53:02.665Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-11T20:53:02.665Z"},"datePublic":"2026-11-07T02:20:53.000Z","title":"NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Use of Hard-coded Cryptographic Key","cweId":"CWE-321","type":"CWE"}]}],"affected":[{"vendor":"tongcheng-security-team","product":"NextScan","defaultStatus":"unaffected","versions":[{"version":"1.1.0","lessThanOrEqual":"1.2.0","versionType":"semver","status":"affected"}],"packageURL":"pkg:docker/lysec/ns-admin"}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.3,"baseSeverity":"CRITICAL"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"references":[{"url":"https://github.com/tongcheng-security-team/NextScan/issues/48","tags":["issue-tracking"]},{"url":"https://github.com/tongcheng-security-team/NextScan/blob/v1.2.0/docker/docker-compose.yaml","tags":["product"]},{"url":"https://hub.docker.com/r/lysec/ns-admin","tags":["product"]},{"url":"https://vul.yulun.ac.cn/20261107/nextscan/","tags":["third-party-advisory"]},{"name":"VulnCheck Advisory: NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nextscan-1.1.0-through-1.2.0-hardcoded-jwt-key-authentication-bypass-in-ns-admin"}],"credits":[{"lang":"en","value":"Wu Yulun","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}