CVE-2026-6659 - Vulnerability Details - OpenCVE

Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts. The built-in rand function is predictable, and unsuitable for cryptography.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
http://www.openwall.com/lists/oss-security/2026/05/08/17
https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47

History

Fri, 08 May 2026 20:30:00 +0000

Type	Values Removed	Values Added
References		http://www.openwall.com/lists/oss-security/2026/05/08/17

Fri, 08 May 2026 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 08 May 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts. The built-in rand function is predictable, and unsuitable for cryptography.
Title		Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts
Weaknesses		CWE-338
References		https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47

MITRE

Status: PUBLISHED

Assigner: CPANSec

Published: 2026-05-08T17:17:01.357Z

Updated: 2026-05-08T19:30:59.696Z

Reserved: 2026-04-20T08:24:35.812Z

Link: CVE-2026-6659

Vulnrichment

Updated: 2026-05-08T19:30:59.696Z

NVD

Status : Received

Published: 2026-05-08T18:16:34.183

Modified: 2026-05-08T20:16:32.063

Link: CVE-2026-6659

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-05-08T19:45:15Z

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6659", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-04-20T08:24:35.812Z", "datePublished": "2026-05-08T17:17:01.357Z", "dateUpdated": "2026-05-08T19:30:59.696Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Crypt-PasswdMD5", "product": "Crypt::PasswdMD5", "programFiles": ["lib/Crypt/PasswdMD5.pm"], "programRoutines": [{"name": "Crypt::PasswdMD5::random_md5_salt"}], "repo": "https://github.com/ronsavage/Crypt-PasswdMD5", "vendor": "RSAVAGE", "versions": [{"lessThanOrEqual": "1.42", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts.\n\nThe built-in rand function is predictable, and unsuitable for cryptography."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-338", "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-08T17:17:01.357Z"}, "references": [{"url": "https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47"}], "source": {"discovery": "UNKNOWN"}, "title": "Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-08T18:01:59.977528Z", "id": "CVE-2026-6659", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-05-08T18:04:17.941Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/08/17"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-08T19:30:59.696Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/08/17"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-08T19:30:59.696Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-6659", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-08T18:01:59.977528Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-08T18:03:26.899Z"}}], "cna": {"title": "Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts", "source": {"discovery": "UNKNOWN"}, "affected": [{"repo": "https://github.com/ronsavage/Crypt-PasswdMD5", "vendor": "RSAVAGE", "product": "Crypt::PasswdMD5", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "1.42"}], "packageName": "Crypt-PasswdMD5", "programFiles": ["lib/Crypt/PasswdMD5.pm"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "programRoutines": [{"name": "Crypt::PasswdMD5::random_md5_salt"}]}], "references": [{"url": "https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47"}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}, "descriptions": [{"lang": "en", "value": "Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts.\n\nThe built-in rand function is predictable, and unsuitable for cryptography."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-338", "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-08T17:17:01.357Z"}}}, "cveMetadata": {"cveId": "CVE-2026-6659", "state": "PUBLISHED", "dateUpdated": "2026-05-08T19:30:59.696Z", "dateReserved": "2026-04-20T08:24:35.812Z", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "datePublished": "2026-05-08T17:17:01.357Z", "assignerShortName": "CPANSec"}, "dataVersion": "5.2"}