CVE-2026-8647— Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available
Possible ATT&CK Techniques 1AI
T1053.005 · Scheduled TaskAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MIK | Crypt::ScryptKDF | ≤ 0.010 | affected |
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I. Basic Information for CVE-2026-8647
Vulnerability Information
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Vulnerability Title
Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available
Source: NVD (National Vulnerability Database)
Vulnerability Description
Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available. The random_bytes function fell back to using the built-in rand() function when none of the Perl modules Crypt::PRNG, Crypt::OpenSSL::Random, Net::SSLeay, Crypt::Random, or Bytes::Random::Secure were available.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用具有密码学弱点缺陷的PRNG
Source: NVD (National Vulnerability Database)
Vulnerability Title
Crypt::ScryptKDF 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Crypt::ScryptKDF是MIK个人开发者的一个Perl密码学模块，支持Scrypt密钥派生与密码哈希处理功能。 Crypt::ScryptKDF 0.010及之前版本存在安全漏洞，该漏洞源于当没有CSPRNG模块可用时使用不安全的随机数源。
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 |
|---|---|---|---|---|
| MIK | Crypt::ScryptKDF | 0 ~ 0.010 | - |
II. Public POCs for CVE-2026-8647
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-8647 (2)
- 🔗 Changes - metacpan.orgrelease-notes
IV. Related Vulnerabilities
Same vendor: MIK
Same weakness: CWE-338
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V. Comments for CVE-2026-8647
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