{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8647","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-05-14T22:46:50.791Z","datePublished":"2026-05-26T22:53:49.993Z","dateUpdated":"2026-05-28T14:09:56.026Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Crypt-ScryptKDF","product":"Crypt::ScryptKDF","programFiles":["lib/Crypt/ScryptKDF.pm"],"programRoutines":[{"name":"Crypt::ScryptKDF::random_bytes"}],"repo":"https://github.com/DCIT/perl-Crypt-ScryptKDF","vendor":"MIK","versions":[{"lessThanOrEqual":"0.010","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available.\n\nThe 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."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-338","description":"CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-05-26T22:53:49.993Z"},"references":[{"tags":["release-notes"],"url":"https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/changes"},{"url":"https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/diff/MIK/Crypt-ScryptKDF-0.010#lib/Crypt/ScryptKDF.pm"}],"solutions":[{"lang":"en","value":"Upgrade to version 0.011 or later."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-05-13T00:00:00.000Z","value":"Issue reported to CPANSec"},{"lang":"en","time":"2026-05-14T00:00:00.000Z","value":"Issue reported to maintainer"},{"lang":"en","time":"2026-05-16T00:00:00.000Z","value":"Version 0.011 with fix released."}],"title":"Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available","workarounds":[{"lang":"en","value":"Install one of the recommended Perl modules, such as Crypt::PRNG."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/26/8"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-05-27T01:41:36.078Z"}},{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.8,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-28T14:09:53.476428Z","id":"CVE-2026-8647","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-28T14:09:56.026Z"}}]}}