spring-projects/spring-framework · Security
Spring Framework Predictable Session ID in WebSocket Module
- GHSA ID
- GHSA-q723-847q-5g8g
- CVE ID
- CVE-2026-41838
- Severity
- medium
- Published
- Updated
- CVSS
- 4.8 · CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
- CVSS v3
- 4.8 · CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
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.
CWEs
- CWE-330 · Use of Insufficiently Random Values
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-41838 ↗
- https://spring.io/security/cve-2026-41838 ↗
- https://github.com/spring-projects/spring-framework/issues/36740 ↗
- https://github.com/spring-projects/spring-framework/commit/a42a6e0c6ac64eb18954729ca5e3fe64b05a39b5 ↗
- https://github.com/spring-projects/spring-framework/commit/bff98999056fc29b573ff47ad2433462eb52833c ↗
- https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19 ↗
- https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8 ↗
- https://github.com/advisories/GHSA-q723-847q-5g8g ↗