CVE-2026-8647

{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"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"}}, {"title": "CISA ADP Vulnrichment", "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": {"id": "CVE-2026-8647", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-28T14:09:53.476428Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T14:08:16.167Z"}}], "cna": {"title": "Crypt::ScryptKDF versions through 0.010 for Perl uses insecure random number source when no CSPRNG module is available", "source": {"discovery": "UNKNOWN"}, "affected": [{"repo": "https://github.com/DCIT/perl-Crypt-ScryptKDF", "vendor": "MIK", "product": "Crypt::ScryptKDF", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "0.010"}], "packageName": "Crypt-ScryptKDF", "programFiles": ["lib/Crypt/ScryptKDF.pm"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "programRoutines": [{"name": "Crypt::ScryptKDF::random_bytes"}]}], "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."}], "solutions": [{"lang": "en", "value": "Upgrade to version 0.011 or later."}], "references": [{"url": "https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/changes", "tags": ["release-notes"]}, {"url": "https://metacpan.org/release/MIK/Crypt-ScryptKDF-0.011/diff/MIK/Crypt-ScryptKDF-0.010#lib/Crypt/ScryptKDF.pm"}], "workarounds": [{"lang": "en", "value": "Install one of the recommended Perl modules, such as Crypt::PRNG."}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}, "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": [{"lang": "en", "type": "CWE", "cweId": "CWE-338", "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-26T22:53:49.993Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8647", "state": "PUBLISHED", "dateUpdated": "2026-05-28T14:09:56.026Z", "dateReserved": "2026-05-14T22:46:50.791Z", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "datePublished": "2026-05-26T22:53:49.993Z", "assignerShortName": "CPANSec"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "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."}, {"lang": "es", "value": "Versiones de Crypt::ScryptKDF hasta la 0.010 para Perl utilizan una fuente de n\u00fameros aleatorios insegura cuando no hay ning\u00fan m\u00f3dulo CSPRNG disponible.\n\nLa funci\u00f3n random_bytes recurri\u00f3 al uso de la funci\u00f3n rand() incorporada cuando ninguno de los m\u00f3dulos de Perl Crypt::PRNG, Crypt::OpenSSL::Random, Net::SSLeay, Crypt::Random o Bytes::Random::Secure estaba disponible."}], "id": "CVE-2026-8647", "lastModified": "2026-07-23T11:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8647", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-28T14:09:53.476428Z", "version": "2.0.3"}}]}, "published": "2026-05-26T23:16:21.247", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "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": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/05/26/8"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-338"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.010]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Crypt::ScryptKDF", "source": "cna", "vendor": "MIK"}, "product": "crypt::scryptkdf", "vendor": "mik"}], "created": "2026-05-27T00:30:20.414419+00:00", "updated": "2026-05-28T18:45:24.348538+00:00", "vendors": ["mik", "mik$PRODUCT$crypt::scryptkdf"]}