{
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-05-27T01:41:36.078Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/05/26/8"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "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": {
        "dateUpdated": "2026-05-26T22:53:49.993Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-8647",
    "datePublished": "2026-05-26T22:53:49.993Z",
    "dateReserved": "2026-05-14T22:46:50.791Z",
    "dateUpdated": "2026-05-27T01:41:36.078Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-8647",
      "date": "2026-05-27",
      "epss": "0.00017",
      "percentile": "0.04316"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-8647\",\"sourceIdentifier\":\"9b29abf9-4ab0-4765-b253-1875cd9b441e\",\"published\":\"2026-05-26T23:16:21.247\",\"lastModified\":\"2026-05-27T02:16:34.913\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"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.\"}],\"metrics\":{},\"weaknesses\":[{\"source\":\"9b29abf9-4ab0-4765-b253-1875cd9b441e\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-338\"}]}],\"references\":[{\"url\":\"https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/changes\",\"source\":\"9b29abf9-4ab0-4765-b253-1875cd9b441e\"},{\"url\":\"https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/diff/MIK/Crypt-ScryptKDF-0.010#lib/Crypt/ScryptKDF.pm\",\"source\":\"9b29abf9-4ab0-4765-b253-1875cd9b441e\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2026/05/26/8\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
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