CVE-2026-21789

MEDIUM EPSS 2.3%

Published May 18, 20261mo ago · Modified Jun 17, 20261w ago

4.6 CVSS 3.1

Medium

Published May 18, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.

Base Score

4.6

Exploitability

2.1

Impact

2.5

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction Required

Scope Unchanged

Confidentiality Low

Integrity Low

Availability None

EPSS Exploit Probability

2.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

CWE-863 Incorrect Authorization Authorization

support.hcl-software.com https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129719

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.