{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"rajnandan1/kener","product":"kener","source":"CNA: VulnCheck","vendor":"rajnandan1","versions":[{"lessThan":"4.1.10","status":"affected","version":"3.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-116747","cwes":["CWE-321"],"description":"Kener 3.0.0 before 4.1.10 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge session tokens by using the hardcoded DUMMY_SECRET fallback key. When KENER_SECRET_KEY is empty or unset, attackers knowing an administrator email can sign a kener-user cookie to access /manage/api with full administrative privileges or forge password-reset tokens.","epss":{"date":"2026-11-05","percentile":0.50016,"score":0.00623},"exploits":[],"kev":null,"metrics":[{"score":9.2,"severity":"critical","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":8.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":9.2,"severity":"critical","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":8.1,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793895455453,"publishedAt":1793051565058,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/rajnandan1/kener/issues/871"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/rajnandan1/kener"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/rajnandan1/kener/commit/ff636483544c926eab5b5e3e26b811c0f52bcaf8"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/rajnandan1/kener/releases/tag/v4.1.10"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/rajnandan1/kener/blob/v4.1.9/src/lib/server/controllers/commonController.ts#L44-L55"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/kener-3.0.0-before-4.1.10-authentication-bypass-via-hardcoded-fallback-jwt-secret"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/rajnandan1/kener"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/rajnandan1/kener/blob/v4.1.9/src/lib/server/controllers/commonController.ts#L44-L55"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/rajnandan1/kener/commit/ff636483544c926eab5b5e3e26b811c0f52bcaf8"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/rajnandan1/kener/issues/871"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/rajnandan1/kener/releases/tag/v4.1.10"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/kener-3.0.0-before-4.1.10-authentication-bypass-via-hardcoded-fallback-jwt-secret"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/rajnandan1/kener/commit/ff636483544c926eab5b5e3e26b811c0f52bcaf8"}],"revision":"ae18404cd19f44b2c4707d597d741c4d12742f1c5070ae3f38d910d4eb955817","sources":[{"modifiedAt":1793894028013,"name":"CNA: VulnCheck","retrievedAt":1793895294216,"url":"https://www.cve.org/CVERecord?id=CVE-2026-116747"},{"modifiedAt":1793895455453,"name":"NVD","retrievedAt":1793902904489,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116747"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793895312258,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-116747"}],"ssvc":{"assessedAt":1793894019772,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret","updatedAt":1793902904489}