{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-108015", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-10-09T09:26:54.337Z", "datePublished": "2026-10-27T16:53:19.893Z", "dateUpdated": "2026-10-27T20:29:23.260Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-10-27T20:29:23.260Z" }, "title": "eMudhra Compromised Certificate vulnerability impacts HCL Notes Client", "datePublic": "2026-10-27T16:53:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-327", "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm", "type": "CWE" } ] } ], "affected": [ { "vendor": "HCLSoftware", "product": "Notes Client", "versions": [ { "status": "affected", "version": "<1=2.0.2 FP8, <=14.0 FP5, 14.5, <=14.5.1 FP1" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Private keys for eight eMudhra intermediate CA certificates have been compromised https://emudhra.we-have-a-problem.com/ , which impacts certificate trust for outbound network request features of HCL Notes Client.  An unauthenticated network attacker could spoof server certificates to execute a man in the middle (MITM) attack, enabling them to intercept and/or modify the content of outbound TLS connections.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Private keys for eight eMudhra intermediate CA certificates have been compromised, which impacts certificate trust for outbound network request features of HCL Notes Client.  An unauthenticated network attacker could spoof server certificates to execute a man in the middle (MITM) attack, enabling them to intercept and/or modify the content of outbound TLS connections." } ] } ], "references": [ { "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134749" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N" } } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } } } }