Improper validation of a login parameter may allow attackers to redirect users to malicious websites after authentication. This can lead to various risk including stealing credentials from unsuspecting users.
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdf
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.json
https://www.first.org/cvss/calculator/3.1
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices