7.5

CVE-2026-41838

Spring Framework Predictable Session ID in WebSocket Module

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
VMware ≫ Spring Framework Version >= 5.3.0 < 5.3.49
VMware ≫ Spring Framework Version >= 6.1.0 < 6.1.28
VMware ≫ Spring Framework Version >= 6.2.0 < 6.2.18.1
VMware ≫ Spring Framework Version >= 7.0.0 < 7.0.7.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.066
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
VMware 4.8 1.2 3.6
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
CWE-330 Use of Insufficiently Random Values

The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

https://spring.io/security/cve-2026-41838
Vendor Advisory