Yonsei University

Global cloud / infrastructure

Aliases / services: 延世大学 / Yonsei University / 연세대학교 / 학교법인 연세대학교 / Educational Foundation, Yonsei University / YSVPN
Official website: https://www.yonsei.ac.kr/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Listed services and systems

Response status: Updates and campus-only restrictions advised
Response information checked: 2026-10-24 Rechecked: 2026-10-27

University providing security support for campus and laboratory web systems.

The October 23 notice calls for checking and updating PHP systems, including laboratories. Where immediate updates are unavailable, administrators can request campus-only access or university web-firewall protection.

This recheck could not revalidate all listed information against current official sources. The previous verification date is retained. Check official notices or support for current availability and required action.

What users should do

Administrators should verify and update PHP. Use YSVPN for restricted off-campus access and report suspicious files to the information security team.

Official service URL

https://www.yonsei.ac.kr/

Source URLs

PHP2Shell response and scopehttps://www.yonsei.kr/bbs/sc/58/944452/artclView.doResponse evidence
Operating entityhttps://ysef.yonsei.ac.kr/Service and operation documentation

Related official sources

PHP2Shell response and scopeOfficial notice
Operating entityOfficial information directory