{"id":"CVE-2026-116747","title":"Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret","summary":"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 …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-321"],"vendor":"rajnandan1","product":"kener","affected":["kener >= 3.0.0 < 4.1.10"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T21:52:45.058Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116747","references":[{"url":"https://github.com/rajnandan1/kener/issues/871","label":"GitHub Issue #871"},{"url":"https://github.com/rajnandan1/kener"},{"url":"https://github.com/rajnandan1/kener/commit/ff636483544c926eab5b5e3e26b811c0f52bcaf8"},{"url":"https://github.com/rajnandan1/kener/releases/tag/v4.1.10","label":"kener v4.1.10 Release Notes"},{"url":"https://github.com/rajnandan1/kener/blob/v4.1.9/src/lib/server/controllers/commonController.ts#L44-L55"},{"url":"https://www.vulncheck.com/advisories/kener-3.0.0-before-4.1.10-authentication-bypass-via-hardcoded-fallback-jwt-secret","label":"VulnCheck Advisory: Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret"}],"tags":["cve.org"],"epss":0.00623,"epssPercentile":0.49649,"ingestedAt":"2026-10-27T16:11:59.122Z","slug":"CVE-2026-116747","body":"## Overview\n\nKener 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.\n\n## Affected\n\n- `kener >= 3.0.0 < 4.1.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}