Low severity · published Jul 21, 2026
CVE-2026-56582
HCL MyCloud was affected with SSL/TLS Protocol Affected with LUCKY13 Vulnerability.
3.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MY
MyCloud · HCLSoftware
10.8.2 · source: vendor
DM
Dryice Mycloud · Hcltech
10.8.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56582
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56582
Vendor Advisory
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132381
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