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CVE-2026-47890
Spring Framework Server Sent Event stream corruption while rendering fragments
Critical9.8EPSS 0.56%
- Published
- Updated
- Reserved
- Assigned by
- vmware
Description
Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19
Timeline
ID reserved
By vmware
- 3 months later
· 3 months later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.56% · top 53% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
- CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') (opens in a new tab)All about CWE-93 and its CVEs
Affected products
- affected 7.0.0 – ≤ 7.0.8
- affected 6.2.0 – ≤ 6.2.19
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.springframework:spring-webfluxGHSA-j9f9-w8pj-32f8 (opens in a new tab)
- Mavenorg.springframework:spring-webmvcGHSA-j9f9-w8pj-32f8 (opens in a new tab)
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-j9f9-w8pj-32f8 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-47890)Record last updated .