by Kastro
Paper/Archive/CVE-2026-108015

CVE-2026-108015

HCLSoftware Notes Client — eMudhra Compromised Certificate vulnerability impacts HCL Notes Client

EPSS 0.1%CVSS 9.1
critical.is priorityof 100
28
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 2.5.025 × 200.5No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Notes Client<1=2.0.2 FP8, <=14.0 FP5, 14.5, <=14.5.1 FP1–CNA

Scores by source

HCL (CNA)9.1CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References

refsupport.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134749