CVE-2026-21789— HCL Connections is vulnerable to broken access control
Possible ATT&CK Techniques 2AI
T1135 · Network Share Discovery T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| HCLSoftware | Connections | 8.0 | affected |
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I. Basic Information for CVE-2026-21789
Vulnerability Information
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Vulnerability Title
HCL Connections is vulnerable to broken access control
Source: NVD (National Vulnerability Database)
Vulnerability Description
HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCLSoftware | Connections | 8.0 | - |
II. Public POCs for CVE-2026-21789
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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IV. Related Vulnerabilities
Same product: Connections
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V. Comments for CVE-2026-21789
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