CVE-2026-41838
Spring Framework Predictable Session ID in WebSocket Module
MEDIUM 4.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.17 % · percentile 6 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- vmware
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-330 — Use of Insufficiently Random Values
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N | vmware |
| CVSS 3.1 | MEDIUM 4.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N | NVD · security@vmware.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-q723-847q-5g8g — Spring Framework Predictable Session ID in WebSocket Module
European references
- ENISA EUVD · EUVD-2026-35325
- GCVE · GCVE-0-2026-41838
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1355 — Multiples vulnérabilités dans Oracle Weblogic · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0705 — Multiples vulnérabilités dans les produits Spring · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*≥ 5.3.0 < 5.3.49cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*≥ 6.1.0 < 6.1.28cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*≥ 6.2.0 < 6.2.18.1cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*≥ 7.0.0 < 7.0.7.1
Affected products
| Product | Versions |
|---|---|
| Spring · Spring Framework | affected 7.0.0 < 7.0.7.1 ; affected 6.2.0 < 6.2.18.1 ; affected 6.1.0 < 6.1.28 ; affected 5.3.0 < 5.3.49 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |