CVE-2026-8647

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.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/changes
https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/diff/MIK/Crypt-ScryptKDF-0.010#lib/Crypt/ScryptKDF.pm
http://www.openwall.com/lists/oss-security/2026/05/26/8

Configurations

No configuration.

History

No history.

Information

Published : 2026-05-26 23:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-8647

Mitre link : CVE-2026-8647

CVE.ORG link : CVE-2026-8647

JSON object : View

Products Affected

No product.

CWE

CWE-338

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

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