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CVE-2026-116747— Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret

Quick assessment

Affected
rajnandan1 kener
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kener 版本 3.0.0 至 4.1.10（不含 4.1.10）存在身份验证绕过漏洞。当 配置为空或未设置时，系统会使用硬编码的备用密钥 ，这使得未认证的攻击者能够利用该密钥伪造会话令牌。若攻击者知晓管理员邮箱，即可签署 Cookie 以获取对 的完全管理员权限，或伪造密码重置令牌。

CVSS 8.1 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-116747

Vulnerability Information
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Vulnerability Title
Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
rajnandan1 kener 3.0.0 ~ 4.1.10 -

II. Public POCs for CVE-2026-116747

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-116747

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Other References for CVE-2026-116747 (1)

Other References for CVE-2026-116747 (5)

IV. Related Vulnerabilities

Same product: kener
Same vendor: rajnandan1
Same weakness: CWE-321