Medium severity4.8NVD Advisory· Published Jun 9, 2026· Updated Jun 11, 2026
CVE-2026-41838
CVE-2026-41838
Description
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.
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Affected products
1- Range: <=5.3.48, <=6.1.27, <=6.2.18, <=7.0.7
Patches
Vulnerability mechanics
References
1- spring.io/security/cve-2026-41838nvdVendor Advisory
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