# CVE-2026-56578: HCL MyCloud server version disclosure

Source: https://junglewise.ai/threats/cve-2026-56578-hcl-mycloud-server-version-disclosure  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-21. Updated: 2026-07-21  
License: CC BY 4.0 with a link back

CVE-2026-56578 · Severity: low · CVSS 2.2 · Published 2026-07-21

HCL MyCloud, a cloud management platform, is affected by a security flaw that reveals specific server version information to unauthorized users. While this does not directly allow an attacker to take over the system, it provides them with a roadmap of known weaknesses associated with that specific version. This information can be used to plan more sophisticated attacks against the organization's infrastructure.

Technologies: [HCL Software MyCloud](https://junglewise.ai/threats/technologies/mycloud). Vendors: [HCL Software](https://junglewise.ai/threats/vendors/hcl-software).

## Quick answers

**Is CVE-2026-56578 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-56578 being exploited in the wild.

**How severe is CVE-2026-56578?** Low severity, with a CVSS score of 2.2, published 21 July 2026.

**Which products and versions are affected?** HCL Software MyCloud 10.8.2.

**Is there a fix for CVE-2026-56578?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-56578 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-56578?** Check whether you run HCL Software MyCloud at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

HCL MyCloud version 10.8.2 is vulnerable to information exposure (CWE-200) via server version disclosure. An attacker with high privileges can remotely access version strings that identify the underlying software components. This metadata leak reduces the effort required for reconnaissance and allows an attacker to map the environment against known CVEs for those specific versions. The vulnerability is rated low severity because it requires high privileges and does not directly result in data modification or service disruption.

## Affected products

- HCL Software MyCloud 10.8.2

## Timeline

- 2026-07-21: advisory: HCL Software published the security bulletin KB0132381.
- 2026-07-21: disclosed

## References

- [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132381](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132381)

## Related threats

- [HCL MyCloud concurrent login vulnerability](https://junglewise.ai/threats/cve-2026-56583-hcl-mycloud-concurrent-login-vulnerability)
- [HCL MyCloud SSL/TLS LUCKY13 padding oracle vulnerability](https://junglewise.ai/threats/cve-2026-56582-hcl-mycloud-ssl-tls-lucky13-padding-oracle-vulnerability)
- [HCL MyCloud missing cookie path attribute](https://junglewise.ai/threats/cve-2026-56581-hcl-mycloud-missing-cookie-path-attribute)
- [HCL MyCloud use of unmaintained components in IIS Server](https://junglewise.ai/threats/cve-2026-56580-hcl-mycloud-use-of-unmaintained-components-in-iis-server)
- [HCL MyCloud sensitive information disclosure in HTTP response](https://junglewise.ai/threats/cve-2026-56579-hcl-mycloud-sensitive-information-disclosure-in-http-response)