PT-2026-47649 · Spring+1 · Spring Framework

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-41838

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Fix

Use of Insufficiently Random Values

Weakness Enumeration

CWE-330

Related Identifiers

CVE-2026-41838

Affected Products

Spring Framework

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-41838 · Security Note
• https://spring.io/security/cve-2026-41838 · Vendor Advisory