GitHub Advisoryadvisory · Maven

GHSA-q723-847q-5g8g Spring Framework Predictable Session ID in WebSocket Module

MEDIUM Published 2026-06-09 Modified 2026-07-29 Official page ↗
Aliases
CVE-2026-41838
Ecosystem
Maven
Packages
org.springframework:spring-websocket
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
Weaknesses
CWE-330
Reviewed
2026-07-29

Affected packages

• Maven org.springframework:spring-websocket: >= 7.0.0, < 7.0.8 → fixed in 7.0.8 • Maven org.springframework:spring-websocket: >= 6.2.0, < 6.2.19 → fixed in 6.2.19 • Maven org.springframework:spring-websocket: >= 6.1.0, <= 6.1.27 (no fix yet) • Maven org.springframework:spring-websocket: <= 5.3.48 (no fix yet)

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.

Related

Alias · CVE (1)

  • CVE-2026-41838 IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in… vulnerability

Weakness · CWE (1)

  • CWE-330 Use of Insufficiently Random Values weakness

References