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High 7.5Published Aug 27, 2026
CVE-2026-47889Spring Framework sameSite Attribute Dropped in JettyCoreServerHttpResponse
Updated under an hour ago ()
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It affects Spring Framework and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-1275
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- vmware
- NVD analysis
- Analyzed
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Spring Spring Framework spring:framework (from the name) | from 7.0.0 through 7.0.8; from 6.2.0 through 6.2.19 | CNA record |
vmware spring_framework vmware:spring_framework | from 6.2.0 before 6.2.20; from 7.0.0 before 7.0.8.1 | NVD |
References
- https://spring.io/security/cve-2026-47889vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.