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
CVE-2026-47889
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 17%
- KEV
- Not listed
Published
August 27, 2026
Last Modified
September 10, 2026
Advisory Details (1)
Auto-updated Aug 27, 2026Spring Framework sameSite Attribute Dropped in JettyCoreServerHttpResponse
https://spring.io/security/cve-2026-47889Vendor Advisories for CVE-2026-47889(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 24× in last 7d / 87× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-19 01:40 UTCEG score recompute
- 2026-09-19 01:40 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 13:00 UTCGHSA enrichment
- 2026-09-18 00:20 UTCEG score recompute
- 2026-09-18 00:20 UTCGHSA enrichment
- 2026-09-17 11:40 UTCGHSA enrichment
- 2026-09-16 23:00 UTCEG score recompute
- 2026-09-16 23:00 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 10:20 UTCEG score recompute
- 2026-09-16 10:20 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 21:39 UTCGHSA enrichment
- 2026-09-15 08:58 UTCEG score recompute
- 2026-09-15 08:58 UTCGHSA enrichment
- 2026-09-14 20:18 UTCGHSA enrichment
- 2026-09-14 07:38 UTCGHSA enrichment
- 2026-09-13 18:59 UTCEG score recompute
- 2026-09-13 18:59 UTCGHSA enrichment
- 2026-09-13 16:47 UTCEPSS rescore
- 2026-09-13 06:19 UTCGHSA enrichment
- 2026-09-12 17:39 UTCEG score recompute
- 2026-09-12 17:39 UTCGHSA enrichment
- 2026-09-12 04:59 UTCGHSA enrichment
Show 62 moreShow fewer
- 2026-09-11 16:19 UTCEG score recompute
- 2026-09-11 16:19 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 03:39 UTCGHSA enrichment
- 2026-09-10 14:59 UTCEG score recompute
- 2026-09-10 14:59 UTCGHSA enrichment
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-10 02:30 UTCGHSA enrichment
- 2026-09-09 13:50 UTCGHSA enrichment
- 2026-09-09 00:44 UTCEG score recompute
- 2026-09-09 00:44 UTCGHSA enrichment
- 2026-09-08 22:00 UTCEPSS rescore
- 2026-09-08 11:25 UTCGHSA enrichment
- 2026-09-07 19:51 UTCEG score recompute
- 2026-09-07 19:51 UTCGHSA enrichment
- 2026-09-07 16:01 UTCEPSS rescore
- 2026-09-07 07:11 UTCGHSA enrichment
- 2026-09-06 18:31 UTCEG score recompute
- 2026-09-06 18:31 UTCGHSA enrichment
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-06 05:51 UTCGHSA enrichment
- 2026-09-05 17:10 UTCEG score recompute
- 2026-09-05 17:10 UTCGHSA enrichment
- 2026-09-05 04:29 UTCGHSA enrichment
- 2026-09-04 15:49 UTCEG score recompute
- 2026-09-04 15:49 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-04 03:08 UTCGHSA enrichment
- 2026-09-03 14:25 UTCGHSA enrichment
- 2026-09-03 01:43 UTCEG score recompute
- 2026-09-03 01:42 UTCGHSA enrichment
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-02 13:02 UTCGHSA enrichment
- 2026-09-02 00:19 UTCEG score recompute
- 2026-09-02 00:19 UTCGHSA enrichment
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 11:35 UTCEG score recompute
- 2026-09-01 11:35 UTCGHSA enrichment
- 2026-08-31 22:55 UTCGHSA enrichment
- 2026-08-31 10:15 UTCGHSA enrichment
- 2026-08-30 21:35 UTCEG score recompute
- 2026-08-30 21:35 UTCGHSA enrichment
- 2026-08-30 19:17 UTCEPSS rescore
- 2026-08-30 08:56 UTCEG score recompute
- 2026-08-30 08:56 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 20:15 UTCGHSA enrichment
- 2026-08-29 07:35 UTCEG score recompute
- 2026-08-29 07:35 UTCGHSA enrichment
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-28 18:54 UTCGHSA enrichment
- 2026-08-28 06:13 UTCEG score recompute
- 2026-08-28 06:13 UTCGHSA enrichment
- 2026-08-27 17:28 UTCGHSA enrichment
- 2026-08-27 16:51 UTCEG score recompute▲ 7.50
- 2026-08-27 16:51 UTCGHSA enrichment
- 2026-08-27 16:43 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 06:35 UTCGHSA enrichment
- 2026-08-27 06:17 UTCNVD update
- 2026-08-27 06:17 UTCEG score recompute
- 2026-08-27 06:11 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-47889?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-47889
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