TI-2026-81434 Aliases CVE-2026-108015 GHSA-m39m-j83g-9vrj

Compromised eMudhra CA keys let attackers spoof HCL Notes Client servers

MEDIUM 40CWE-327Published 2026-10-27 · Updated 2026-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: Present
Impact type: Information disclosure
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.

Summary

Private keys for eight eMudhra intermediate CA certificates have been compromised, which undermines certificate trust for outbound network request features of HCL Notes Client (affected ranges <1=2.0.2 FP8, <=14.0 FP5, 14.5, <=14.5.1 FP1). An unauthenticated network attacker can spoof server certificates to run a man in the middle attack and intercept or modify outbound TLS connections (CWE-327).

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00128 2nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
HCL Software	Notes Client	<1=2.0.2 FP8, <=14.0 FP5, 14.5, <=14.5.1 FP1	—	No fix listed	CNA

Notes Client VendorHCL Software Affected <1=2.0.2 FP8, <=14.0 FP5, 14.5, <=14.5.1 FP1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for HCL Notes Client.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

2026-10-27 Threatist record created from CVE-2026-108015
2026-10-27 Title updated · CNA
2026-10-27 Affected versions changed · CNA
2026-10-27 Alias added: GHSA-m39m-j83g-9vrj
2026-10-28 Priority changed: MEDIUM → LOW
2026-11-04 CISA SSVC decision points changed
2026-11-04 Priority changed: LOW → MEDIUM

References

Other 1

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134749

TI-2023-24505 Path Traversal which allows file upload capability affects DRYiCE MyXalytics CVSS 3.1CRITICAL 9.8
TI-2022-22044 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
TI-2022-22043 Out-of-bounds write in HCL Software Domino CVSS 3.1CRITICAL 9.8
TI-2022-22042 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
TI-2022-22041 Out-of-bounds write in HCL Software Domino CVSS 3.1CRITICAL 9.8
TI-2022-22040 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8

See all 661 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences