TI-2026-85911 Aliases CVE-2026-35115 GHSA-3r9x-p3xf-4qmg

Missing HSTS header in HCL AION allows connection downgrade

LOW 17CWE-200Published 2026-11-06 · Updated 2026-11-06

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

HCL AION version V 2.6.0 has a missing or insecurely configured HTTP Strict-Transport-Security header, so browsers are not told to always use HTTPS (CWE-200). A remote attacker with low privileges who can get a user to interact with the product may downgrade or intercept connections under certain conditions.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

HCL AION is affected by a vulnerability where the HTTP Strict-Transport-Security (HSTS) header was missing or insecurely configured, so browsers were not instructed to always use HTTPS. This may allow connections to be downgraded or intercepted, potentially resulting in unintended behavior or security impact under certain conditions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00177 7th 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: Partial

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	AION	V 2.6.0	—	No fix listed	CNA

AION VendorHCL Software Affected V 2.6.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:hcltech:aion::::::::	—	—	HCL Software

cpe:2.3:a:hcltech:aion:*:*:*:*:*:*:*:* Versions — — ·HCL Software

Remediation

The sources list no fixed version for HCL AION.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

2026-11-06 Threatist record created from CVE-2026-35115
2026-11-06 CISA SSVC decision points changed
2026-11-06 Alias added: GHSA-3r9x-p3xf-4qmg

References

Other 1

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135118

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