CVE-2026-59313

Server Sent Event stream corruption in Spring MVC functional web framework

At a glance

Severity: CRITICAL 9.8
EPSS: EPSS 0.56 % · percentile 47 (2026-10-27)
State: PUBLISHED
Published: 2026-08-27
Updated: 2026-08-28
Assigner: vmware
NVD status: Analyzed

Description

Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-93

European references

ENISA EUVD · EUVD-2026-67193
GCVE · GCVE-0-2026-59313

CERT-FR advisories

CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* ≥ 5.3.0 ≤ 5.3.49
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* ≥ 6.0.0 ≤ 6.0.30
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* ≥ 6.1.0 ≤ 6.1.28
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* ≥ 6.2.0 ≤ 6.2.19
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* ≥ 7.0.0 ≤ 7.0.8

Affected products

Product	Versions
Spring · Spring Framework	affected 7.0.0 ≤ 7.0.8 ; affected 6.2.0 ≤ 6.2.19 ; affected 6.1.0 ≤ 6.1.28 ; affected 6.0.0 ≤ 6.0.30 ; affected 5.3.0 ≤ 5.3.49

References

https://spring.io/security/cve-2026-59313

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