{"id":"CVE-2026-108015","aliases":["EUVD-2026-111218","GHSA-m39m-j83g-9vrj"],"status":"published","title":"eMudhra Compromised Certificate vulnerability impacts HCL Notes Client","description":"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.","severity":{"version":"4.0","score":9.1,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00128,"percentile":0.02526,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2026-10-27T16:53:19Z","modified":"2026-11-04T20:23:36Z","products":[{"vendor":"hclsoftware","product":"notes client"}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0134749"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108015"},{"url":"https://github.com/advisories/GHSA-m39m-j83g-9vrj"}],"sources":{"cve":[{"id":"CVE-2026-108015","title":"eMudhra Compromised Certificate vulnerability impacts HCL Notes Client","description":"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.","status":"published","published":"2026-10-27T16:53:19.893Z","modified":"2026-11-04T20:23:36.119Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical","assessor":"cna"}],"cwes":["CWE-327"],"updated_at":"2026-11-04T21:42:21.553972Z"}],"euvd":[{"id":"EUVD-2026-111218","description":"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.","status":"published","published":"2026-10-27T16:53:19Z","modified":"2026-11-04T20:23:36Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"updated_at":"2026-11-04T21:45:43.843698Z"}],"ghsa":[{"id":"GHSA-m39m-j83g-9vrj","title":"Private keys for eight eMudhra intermediate CA certificates have been  compromised https:/...","description":"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.","status":"published","published":"2026-10-27T18:31:41Z","modified":"2026-10-27T18:31:41Z","cvss":[{"version":"4.0","score":9.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T15:14:30.732607Z"}],"nvd":[{"id":"CVE-2026-108015","description":"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.","status":"published","published":"2026-10-27T17:16:57.187Z","modified":"2026-11-04T21:17:43.913Z","cvss":[{"version":"4.0","score":9.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-327"],"updated_at":"2026-11-04T23:43:42.179273Z"}]}}