CVE-2026-116747
Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-321 |
| Vendor | rajnandan1 |
| Product | kener |
| Published | Oct 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
rajnandan1 / kener
3.0.0 < 4.1.10
References
github.com: https://github.com/rajnandan1/kener/issues/871 github.com: https://github.com/rajnandan1/kener github.com: https://github.com/rajnandan1/kener/commit/ff636483544c926eab5b5e3e26b811c0f52bcaf8 github.com: https://github.com/rajnandan1/kener/releases/tag/v4.1.10 github.com: https://github.com/rajnandan1/kener/blob/v4.1.9/src/lib/server/controllers/commonController.ts#L44-L55 vulncheck.com: https://www.vulncheck.com/advisories/kener-3.0.0-before-4.1.10-authentication-bypass-via-hardcoded-fallback-jwt-secret
Credits
George Chen