CVE-2026-8647CWE-338

Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available

Medium · published May 26, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
23.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00315 · 23.2th percentile
Weakness
CWE-338 · Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Published
2026-05-26T22:53Z
EPSS history
Timeline
  • 26 MAY 22:53Z
    Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available
    cvelistv5