CVE-2026-54733: o365-moodle < 4.5.6, >= 5.0.0, < 5.0.5, >= 5.1.0, < 5.1.1

Affected technology

o365-moodle · < 4.5.6, >= 5.0.0, < 5.0.5, >= 5.1.0, < 5.1.1
microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated attacker can forge a token and obtain a Moodle session as an O365-authenticated user. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.