CVE-2026-21789: CWE-863 Incorrect Authorization in HCLSoftware Connections
HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.
AI Analysis
Technical Summary
HCL Connections 8.0 contains a broken access control vulnerability (CWE-863) that could permit an unauthorized user with some privileges to update data in scenarios where proper authorization checks are not enforced. The vulnerability has a CVSS 3.1 base score of 4.6, indicating a network attack vector with low complexity, requiring privileges and user interaction, and resulting in limited confidentiality and integrity impact. No official remediation or patch information is currently available, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
An attacker with some level of privileges and user interaction could exploit this vulnerability to update data they should not be authorized to modify. The impact is limited to partial confidentiality and integrity loss without affecting availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, review and restrict user privileges to minimize the risk of unauthorized data modification. Monitor vendor communications for updates on official patches or mitigations.
CVE-2026-21789: CWE-863 Incorrect Authorization in HCLSoftware Connections
Description
HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.
CVSS v3.1
Score 4.6medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
HCL Connections 8.0 contains a broken access control vulnerability (CWE-863) that could permit an unauthorized user with some privileges to update data in scenarios where proper authorization checks are not enforced. The vulnerability has a CVSS 3.1 base score of 4.6, indicating a network attack vector with low complexity, requiring privileges and user interaction, and resulting in limited confidentiality and integrity impact. No official remediation or patch information is currently available, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
An attacker with some level of privileges and user interaction could exploit this vulnerability to update data they should not be authorized to modify. The impact is limited to partial confidentiality and integrity loss without affecting availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, review and restrict user privileges to minimize the risk of unauthorized data modification. Monitor vendor communications for updates on official patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- HCL
- Date Reserved
- 2026-01-05T16:08:02.277Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0b6a47ec166c07b0ea2088
Added to database: 05/18/2026, 19:36:39 UTC
Last enriched: 05/18/2026, 19:51:52 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 70
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