PT-2026-43430 · Cpan · Crypt::Scryptkdf

Robert Rothenberg · Published 2026-05-26 · Updated 2026-05-28 · CVE-2026-8647

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Crypt::ScryptKDF versions prior to 0.011

Description The software uses an insecure random number source when no Cryptographically Secure Pseudo-Random Number Generator (CSPRNG) module is available. Specifically, the random bytes() function falls back to the built-in rand() function if the modules Crypt::PRNG, Crypt::OpenSSL::Random, Net::SSLeay, Crypt::Random, or Bytes::Random::Secure are not present.

Recommendations Update to a version later than 0.010.

Fix

Weakness Enumeration

CWE-338

Related Identifiers

CVE-2026-8647

Affected Products

Crypt::Scryptkdf

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-8647 · Security Note
• https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/changes · Note
• http://openwall.com/lists/oss-security/2026/05/26/8 · Note
• https://t.me/CVEtracker/55045 · Telegram Post
• https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/diff/MIK/Crypt-ScryptKDF-0.010#lib/Crypt/ScryptKDF.pm · Note
• https://twitter.com/oss_security/status/2059926743868137840 · Twitter Post