CVE-2026-63373 draw.io: OAuth CSRF via missing state validation on self-hosted deployments allows session token injection

draw.io is a configurable diagramming and whiteboarding application. Prior to version 30.2.7, the OAuth callback handler in src/main/java/com/mxgraph/online/AbsAuth.java skips comparison of stateToken and cookieToken whenever ISGAE is false, which affects self-hosted Docker and WAR deployments. A...

CVE-2026-63373

draw.io prior to version 30.2.7 contains an OAuth CSRF vulnerability in its callback handler (AbsAuth.java) that skips the stateToken/cookieToken comparison when IS_GAE is false, affecting self-hosted Docker and WAR deployments . An attacker can inject their own authorization code into a victim's...