Medium (5.5) in westerndigital my cloud os. EPSS 0.1% chance of exploitation in the next 30 days.
Server-Side Request Forgery (SSRF) vulnerability that could allow a rogue server on the local network to modify its URL to point back to the loopback adapter was addressed in Western Digital My Cloud OS 5 devices. This could allow the URL to exploit other vulnerabilities on the local server.This issue affects My Cloud OS 5 devices before 5.26.202.
Severity
CVSS 3.1
5.5 medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)