{"id":"CVE-2026-116485","state":"PUBLISHED","title":"danmu_api before 1.21.7 Authentication Bypass via Default Token in Env Endpoints","description":"danmu_api before 1.21.7 contains an authentication bypass vulnerability that allows unauthenticated attackers to modify server environment configuration when the default TOKEN is used and ADMIN_TOKEN is unset. Attackers can send POST requests to /api/env/set, /api/env/add, or /api/env/del to set ADMIN_TOKEN, lock out operators, redirect OTHER_SERVER or PROXY_URL for SSRF, and trigger redeployment.","publishedAt":"2026-10-26T13:08:51.363Z","updatedAt":"2026-10-26T13:08:51.363Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["huangxd- danmu_api"],"affected":[{"vendor":"huangxd-","product":"danmu_api","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.21.7","versionType":"custom"},{"version":"1.21.7","status":"unaffected","versionType":"custom"}]}],"references":["https://github.com/huangxd-/danmu_api/issues/531","https://github.com/huangxd-/danmu_api/commit/6e93478064a0ce4e7ed3bc2eae88adaad1b7ab02","https://github.com/huangxd-/danmu_api/blob/5ef63a01bae7c4bad4dcd7bafbbcdcf33aa82564/danmu_api/worker.js#L223-L244","https://github.com/huangxd-/danmu_api","https://www.vulncheck.com/advisories/danmu-api-before-1.21.7-authentication-bypass-via-default-token-in-env-endpoints"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/116xxx/CVE-2026-116485.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116485","state":"PUBLISHED","datePublished":"2026-10-26T13:08:51.363Z","dateUpdated":"2026-10-26T13:08:51.363Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-26T11:37:37.536Z"},"containers":{"cna":{"title":"danmu_api before 1.21.7 Authentication Bypass via Default Token in Env Endpoints","descriptions":[{"lang":"en","value":"danmu_api before 1.21.7 contains an authentication bypass vulnerability that allows unauthenticated attackers to modify server environment configuration when the default TOKEN is used and ADMIN_TOKEN is unset. Attackers can send POST requests to /api/env/set, /api/env/add, or /api/env/del to set ADMIN_TOKEN, lock out operators, redirect OTHER_SERVER or PROXY_URL for SSRF, and trigger redeployment."}],"affected":[{"vendor":"huangxd-","product":"danmu_api","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.21.7","versionType":"custom"},{"version":"1.21.7","status":"unaffected","versionType":"custom"}]}],"references":[{"url":"https://github.com/huangxd-/danmu_api/issues/531","tags":["issue-tracking"],"name":"GitHub Issue #531"},{"url":"https://github.com/huangxd-/danmu_api/commit/6e93478064a0ce4e7ed3bc2eae88adaad1b7ab02","tags":["patch"],"name":"Fix Commit"},{"url":"https://github.com/huangxd-/danmu_api/blob/5ef63a01bae7c4bad4dcd7bafbbcdcf33aa82564/danmu_api/worker.js#L223-L244","tags":["technical-description"]},{"url":"https://github.com/huangxd-/danmu_api","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/danmu-api-before-1.21.7-authentication-bypass-via-default-token-in-env-endpoints","name":"VulnCheck Advisory: danmu_api before 1.21.7 Authentication Bypass via Default Token in Env Endpoints","tags":["third-party-advisory"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-26T13:08:51.363Z"},"datePublic":"2026-10-21T00:00:00.000Z","credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}