CVE-2026-41838Medium· 4.8▾ SunlitIDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequate authorization rules. Affected versions: Spring Framework 7.0.0 through 7.…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 26.4 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
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.
Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
spring_framework >= 5.3.0, < 5.3.49spring_framework >= 6.1.0, < 6.1.28spring_framework >= 6.2.0, < 6.2.18.1spring_framework >= 7.0.0, < 7.0.7.1Upgrade past the affected range:
spring_framework 7.0.7.1Connected by shared product, vendor, weakness, or advisory.
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