CVE-2026-21789 — MEDIUM (4.6)

Vulnerability Description

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

CVSS Score

4.6

MEDIUM

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

Related Weaknesses (CWE)

CWE-863

References

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

FAQ

What is CVE-2026-21789?

CVE-2026-21789 is a vulnerability with a CVSS score of 4.6 (MEDIUM). HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.

How severe is CVE-2026-21789?

CVE-2026-21789 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21789?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.