CVE-2026-56582

Name of the Vulnerable Software and Affected Versions HCL MyCloud (affected versions not specified)

Description HCL MyCloud is susceptible to the LUCKY13 vulnerability, which allows an attacker to decrypt sensitive information. This is achieved through a TLS/SSL padding oracle attack, a side-channel attack that exploits the timing differences in how a system processes padding errors during the decryption of data encrypted with block ciphers in Cipher Block Chaining (CBC) mode.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.