Intel/AIKIDO-2026-11162
spring-websocket
AIKIDO-2026-11162
spring-websocket is vulnerable to Predictable Session IDs
Predictable Session IDsCVE-2026-41838 Published Yesterday
48
Medium Risk
This Affects:
spring-websocket5.3.0 - 5.3.48
Fixed in 5.3.496.1.0 - 6.1.27
Fixed in 6.1.286.2.0 - 6.2.18
Fixed in 6.2.197.0.0 - 7.0.7
Fixed in 7.0.7.1Are you affected? Scan for Free
TL;DR
IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequate authorization rules.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
spring-websocket is vulnerable to Predictable Session IDs in versions 5.3.0 - 5.3.48, 6.1.0 - 6.1.27, 6.2.0 - 6.2.18 and 7.0.0 - 7.0.7.
How to fix this
Upgrade the org.springframework:spring-websocket library to the patch version.
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