CVE-2026-46473— Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand
Possible ATT&CK Techniques 1AI
T1552.004 · Private KeysAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TCHATZI | Authen::TOTP | < 0.1.1 | affected |
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I. Basic Information for CVE-2026-46473
Vulnerability Information
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Vulnerability Title
Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand
Source: NVD (National Vulnerability Database)
Vulnerability Description
Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand. Secrets were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息熵不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
Authen::TOTP 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Authen::TOTP是tchatzi个人开发者的一个基于RFC6238的双因素认证OTP生成与验证工具。 Authen::TOTP 0.1.1之前版本存在安全特征问题漏洞，该漏洞源于使用Perl内置rand函数生成秘密，该函数可预测且不适合安全用途。
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 |
|---|---|---|---|---|
| TCHATZI | Authen::TOTP | 0 ~ 0.1.1 | - |
II. Public POCs for CVE-2026-46473
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-46473 (1)
Other References for CVE-2026-46473 (1)
- Changes - metacpan.orgrelease-notes
IV. Related Vulnerabilities
Same weakness: CWE-331
- CVE-2026-8700
Crypt::DSA versions before 1.20 for Perl generate seeds usin - CVE-2026-46474
Trog::TOTP versions before 1.006 for Perl generate secrets u - CVE-2025-14972
Insufficient DPA countermeasure reseeding - CVE-2026-4827
Insufficient Entropy vulnerability on Multiple Products - CVE-2026-7210
The expat and elementtree parsers use insufficient entropy f
V. Comments for CVE-2026-46473
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