Information disclosure through error messages in HCL Software Connections
Priority LOW 16CWE-209Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- 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-209.
Summary
HCL Connections is vulnerable to information disclosure 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 0.00271 19th 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 | 8.0 | — | No fix listed | CNA |
- Connections VendorHCL Software Affected 8.0 Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:connections:*:*:*:*:*:*:*:* | before 8.0 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:-:*:*:*:*:*:* | 8.0 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release1:*:*:*:*:*:* | 8.0 cumulative_release1 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release10:*:*:*:*:*:* | 8.0 cumulative_release10 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release2:*:*:*:*:*:* | 8.0 cumulative_release2 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release3:*:*:*:*:*:* | 8.0 cumulative_release3 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release4:*:*:*:*:*:* | 8.0 cumulative_release4 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release5:*:*:*:*:*:* | 8.0 cumulative_release5 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release6:*:*:*:*:*:* | 8.0 cumulative_release6 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release7:*:*:*:*:*:* | 8.0 cumulative_release7 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:connections:*:*:*:*:*:*:*:* Versions before 8.0 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:-:*:*:*:*:*:* Versions 8.0 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release1:*:*:*:*:*:* Versions 8.0 cumulative_release1 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release10:*:*:*:*:*:* Versions 8.0 cumulative_release10 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release2:*:*:*:*:*:* Versions 8.0 cumulative_release2 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release3:*:*:*:*:*:* Versions 8.0 cumulative_release3 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release4:*:*:*:*:*:* Versions 8.0 cumulative_release4 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release5:*:*:*:*:*:* Versions 8.0 cumulative_release5 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release6:*:*:*:*:*:* Versions 8.0 cumulative_release6 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release7:*:*:*:*:*:* Versions 8.0 cumulative_release7 Vulnerable ·HCL Software
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release8:*:*:*:*:*:* | 8.0 cumulative_release8 | Vulnerable | HCL Software |
| cpe:2.3:a:hcltech:connections:8.0:cumulative_release9:*:*:*:*:*:* | 8.0 cumulative_release9 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release8:*:*:*:*:*:* Versions 8.0 cumulative_release8 Vulnerable ·HCL Software
- cpe:2.3:a:hcltech:connections:8.0:cumulative_release9:*:*:*:*:*:* Versions 8.0 cumulative_release9 Vulnerable ·HCL Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-56537
- 2026-10-03 Alias added: GHSA-cg5p-v66j-3vjx
More HCL Software Connections vulnerabilities
- TI-2020-03564 Information disclosure through error messages in "HCL Connections" CVSS 3.1MEDIUM 6.5
- TI-2024-19869 HCL Connections is vulnerable to broken access control CVSS 3.1MEDIUM 6.5
- TI-2023-12608 HCL Connections is vulnerable to sensitive information disclosure CVSS 3.1MEDIUM 6.5
- TI-2023-12604 HCL Connections s vulnerable to possible denial of service for certain users CVSS 3.1MEDIUM 6.5
- TI-2025-32718 HCL Connections is vulnerable to sensitive information disclosure CVSS 3.1MEDIUM 6.5
- TI-2023-19132 Cross-site scripting in HCL Connections CVSS 3.1MEDIUM 6.1
Sources
- CVE-2026-56537 · CVE Program
- CVE-2026-56537 · NVD
- FIRST EPSS
- GHSA-cg5p-v66j-3vjx · 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