CVE-2026-21821 — HIGH (8.3)

Vulnerability Description

The HCL BigFix SCM Reporting site contains an outdated and unsupported version of the jQuery 1.x library. Since jQuery 1.x has reached end-of-life and no longer receives security updates, it may expose the application to publicly known security weaknesses and increase the risk of client-side attacks such as Cross-Site Scripting (XSS) or manipulation through vulnerable third-party components.

CVSS Score

8.3

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-1104

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130744

FAQ

What is CVE-2026-21821?

CVE-2026-21821 is a vulnerability with a CVSS score of 8.3 (HIGH). The HCL BigFix SCM Reporting site contains an outdated and unsupported version of the jQuery 1.x library. Since jQuery 1.x has reached end-of-life and no longer receives security updates, it may expos...

How severe is CVE-2026-21821?

CVE-2026-21821 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21821?

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