Medium 4.8Published May 26, 2026

CVE-2026-8647Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available

Updated under an hour ago (Oct 26, 2026, 3:40 PM ET)

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It affects MIK Crypt::ScryptKDF. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for MIK Crypt::ScryptKDF

Exploited in the last 30 days

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: 4.8 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-338
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: CPANSec
NVD analysis: Deferred
Record last updated: May 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MIK Crypt::ScryptKDF mik:crypt_scryptkdf (from the name)	through 0.010	CNA record

References

References

https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/changes	release-notes
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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.