Vulnerability details
CVE-2026-47889
Spring Framework
Spring Framework sameSite Attribute Dropped in JettyCoreServerHttpResponse
CVSS 3.1
7.5High
Official description
A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Spring | Spring Framework | 6.2.0 ≤ v ≤ 6.2.19 | CVEProject cvelistV5 (CNA) |
| Spring | Spring Framework | 7.0.0 ≤ v ≤ 7.0.8 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-08-27
- Last updated
- 2026-08-27
- State
- Published
- Assigner (CNA)
- vmware
Exploit prediction (EPSS)
0.42%
Probability of exploitation in 30 days
37.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-1275Sensitive Cookie with Improper SameSite Attribute