HCL Connections is vulnerable to an information disclosure vulnerability
Priority LOW 15CWE-359Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-359.
Summary
HCL Connections is vulnerable to an information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data they are not entitled to, caused by improper handling of request data.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th 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 | Connections | 7.0, 8.0 | — | No fix listed | CNA |
- Connections VendorHCL Software Affected 7.0, 8.0 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:connections:*:*:*:*:*:*:*:* | — | — | HCL Software |
- cpe:2.3:a:hcltech:connections:*:*:*:*:*:*:*:* Versions — — ·HCL Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-21827
- 2026-10-03 Alias added: GHSA-xq3v-phjg-8r8x
More HCL Software vulnerabilities
- 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
Sources
- CVE-2026-21827 · CVE Program
- CVE-2026-21827 · NVD
- FIRST EPSS
- GHSA-xq3v-phjg-8r8x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences