What is CVE-2026-56583?

CVE-2026-56583 is a low-severity vulnerability in Hclsoftware Mycloud, classified under Insufficient Session Expiration. CVSS score: 3.1/10. Published 2026-07-21.

How severe is CVE-2026-56583?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Hclsoftware Mycloud

CVE-2026-56583

HCL MyCloud was affected with Concurrent Login Vulnerability. It may increase the risk of unauthorized access, session hijacking, and account misuse.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Hclsoftware Mycloud — versions 10.8.2

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

psirt@hcl.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-56583?: CVE-2026-56583 is a low-severity vulnerability in Hclsoftware Mycloud, classified under Insufficient Session Expiration. CVSS score: 3.1/10. Published 2026-07-21.
How severe is CVE-2026-56583?: Low severity. CVSS v3 base score is 3.1 out of 10.