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CVE-2026-42452— Termix: Pending-TOTP temporary token can regenerate backup codes and neutralize TOTP

Quick assessment

Affected
Termix-SSH Termix
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Termix是Karmaa个人开发者的一个服务器管理平台。 Termix 2.1.0之前版本存在安全漏洞，该漏洞源于/users/login为TOTP账户发放临时JWT令牌，但认证中间件在常规端点上接受该令牌，可能导致双因素认证降级为单因素认证。

CVSS 8.1 · High EPSS 0.40% · P31

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Termix-SSH Termix < 2.1.0 affected
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I. Basic Information for CVE-2026-42452

Vulnerability Information
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Vulnerability Title
Termix: Pending-TOTP temporary token can regenerate backup codes and neutralize TOTP
Source: CVE Program / CVE List V5
Vulnerability Description
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to version 2.1.0, /users/login issues a temporary JWT (temp_token) for TOTP-enabled accounts. That token carries a pendingTOTP state and should only be valid for the second-factor flow. However, the auth middleware accepts this token on regular authenticated endpoints. This effectively turns 2FA into single-factor (password) for impacted accounts. This issue has been patched in version 2.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证中关键步骤缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Termix 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Termix是Karmaa个人开发者的一个服务器管理平台。 Termix 2.1.0之前版本存在安全漏洞，该漏洞源于/users/login为TOTP账户发放临时JWT令牌，但认证中间件在常规端点上接受该令牌，可能导致双因素认证降级为单因素认证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Termix-SSH Termix < 2.1.0 -

II. Public POCs for CVE-2026-42452

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7190 chars
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III. Intelligence Information for CVE-2026-42452

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Vendor Advisories for CVE-2026-42452 (1)

Vendor Pages for CVE-2026-42452 (1)

Same Patch Batch · Termix-SSH · 2026-05-08 · 3 CVEs total

CVE-2026-42454 9.9 CRITICAL Termix: OS Command Injection in Docker Container Management Endpoints
CVE-2026-42453 Termix: Command injection in extractArchive/compressFiles via double-quote escaping bypass

IV. Related Vulnerabilities

Same product: Termix
Same vendor: Termix-SSH
Same weakness: CWE-304

V. Comments for CVE-2026-42452

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