What is CVE-2026-56580?

CVE-2026-56580 is a low-severity vulnerability in Hclsoftware Mycloud, classified under CWE-1104. CVSS score: 2.2/10. Published 2026-07-21.

How severe is CVE-2026-56580?

Low severity. CVSS v3 base score is 2.2 out of 10.

Vulnerability in Hclsoftware Mycloud

CVE-2026-56580

HCL MyCloud was affected by Using Components with Known Vulnerability ( IIS Server ). It may allow attackers to exploit publicly disclosed weaknesses and compromise the system.

Published 2026-07-21 · last modified 2026-08-03.

CVSS v3 metric

CVSS v3 base score 2.2 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.2th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Hclsoftware Mycloud — versions 10.8.2
Hcltech Dryice Mycloud — versions 10.8.1

Weakness classification (CWE)

CWE-1104

References

support.hcl-software.com/csm (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-56580?: CVE-2026-56580 is a low-severity vulnerability in Hclsoftware Mycloud, classified under CWE-1104. CVSS score: 2.2/10. Published 2026-07-21.
How severe is CVE-2026-56580?: Low severity. CVSS v3 base score is 2.2 out of 10.