AIKIDO-2026-329430
omnifaces is vulnerable to Missing Authorization
59
Medium Risk
This Affects:
omnifacesTL;DR
The <o:socket> WebSocket handshake accepts any client presenting a channel ID that is registered in the application, without verifying that the calling HTTP session owns that channel. Session- and view-scoped channels can therefore be opened from unrelated sessions when the channel ID leaks through links, logs, referrers, or scripts. Messages pushed to a private channel can then be received without authentication, while application-scoped channels are unaffected. The fix binds session- and view-scoped channel IDs to their owning HTTP session and enforces ownership during the handshake.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you use <o:socket> push with session or view scope.
Background info
omnifaces is vulnerable to Missing Authorization in versions 2.3.0 - 2.7.32, 3.0.0 - 3.14.22, 4.0.0 - 4.7.11 and 5.0.0 - 5.4.1.
How to fix this
Upgrade the org.omnifaces:omnifaces library to the patch version.
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