# CVE-2026-56579: HCL MyCloud sensitive information disclosure in HTTP response

Source: https://junglewise.ai/threats/cve-2026-56579-hcl-mycloud-sensitive-information-disclosure-in-http-response  
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-2026-56579 · Severity: low · CVSS 3.1 · Published 2026-07-21

HCL MyCloud, a cloud management platform, is affected by a security flaw where software license keys are inadvertently included in web server responses. An authorized user could potentially view these keys, leading to unauthorized software use or further security compromises. This issue primarily impacts the confidentiality of licensing information rather than direct system availability.

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

## Quick answers

**Is CVE-2026-56579 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-56579 being exploited in the wild.

**How severe is CVE-2026-56579?** Low severity, with a CVSS score of 3.1, published 21 July 2026.

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

**Is there a fix for CVE-2026-56579?** 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-2026-56579 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-56579?** 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 sensitive information disclosure (CWE-200) because the application includes license keys within HTTP responses. An authenticated attacker with network access can capture these responses to extract the keys. While the attack complexity is rated as high, the exposure allows for the potential misuse of licensing data. Users are advised to consult HCL security bulletin KB0132381 for remediation steps.

## Affected products

- HCL Software MyCloud 10.8.2

## Timeline

- 2026-07-21: advisory
- 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 server version disclosure](https://junglewise.ai/threats/cve-2026-56578-hcl-mycloud-server-version-disclosure)