CVE-2026-56582 HCL MyCloud was affected with SSL/TLS Protocol Affected with LUCKY13 Vulnerability.
An attacker can decrypt sensitive information via a TLS/SSL padding oracle attack in HCL MyCloud.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56582?
CVE-2026-56582 is a low-severity vulnerability in HCLSoftware MyCloud, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
HCL MyCloud was affected by the SSL/TLS LUCKY13 Vulnerability. An attacker may exploit this vulnerability to decrypt sensitive information through a TLS/SSL padding oracle attack.
Weakness: CWE-327
Which versions are affected by CVE-2026-56582?
It affects 1 product.
Products include Hcltech Dryice Mycloud.
How do I fix CVE-2026-56582?
No fix has been published for CVE-2026-56582 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56582 being exploited?
There is no known exploitation of CVE-2026-56582 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware MyCloud
- CVE-2023-23346 Use of a broken cryptographic algorithm affects HCL DRYiCE MyCloud
- CVE-2024-30150 An unauthenticated privilege escalation vulnerability affects HCL MyCloud
- CVE-2026-56577 HCL MyCloud affected by Weak Password Policy
- CVE-2026-56579 HCL MyCloud was affected with Exposure of Sensitive Information to an Unauthorized Actor.
- CVE-2026-56583 HCL MyCloud was affected with Concurrent Login Vulnerability.
Sources
Also known as GHSA-2f42-pwwp-mp54.