CVE-2026-47889

HIGHPre-NVD 7.57.5
EchelonGraph scoreHIGH confidence

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.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 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 computed
Severity75% × 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, 2026
No patch confirmed yet.
generic

Spring Framework sameSite Attribute Dropped in JettyCoreServerHttpResponse

https://spring.io/security/cve-2026-47889

Vendor 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.

  1. 2026-09-19 01:40 UTCEG score recompute
  2. 2026-09-19 01:40 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 13:00 UTCGHSA enrichment
  5. 2026-09-18 00:20 UTCEG score recompute
  6. 2026-09-18 00:20 UTCGHSA enrichment
  7. 2026-09-17 11:40 UTCGHSA enrichment
  8. 2026-09-16 23:00 UTCEG score recompute
  9. 2026-09-16 23:00 UTCGHSA enrichment
  10. 2026-09-16 14:08 UTCEPSS rescore
  11. 2026-09-16 10:20 UTCEG score recompute
  12. 2026-09-16 10:20 UTCGHSA enrichment
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 21:39 UTCGHSA enrichment
  15. 2026-09-15 08:58 UTCEG score recompute
  16. 2026-09-15 08:58 UTCGHSA enrichment
  17. 2026-09-14 20:18 UTCGHSA enrichment
  18. 2026-09-14 07:38 UTCGHSA enrichment
  19. 2026-09-13 18:59 UTCEG score recompute
  20. 2026-09-13 18:59 UTCGHSA enrichment
  21. 2026-09-13 16:47 UTCEPSS rescore
  22. 2026-09-13 06:19 UTCGHSA enrichment
  23. 2026-09-12 17:39 UTCEG score recompute
  24. 2026-09-12 17:39 UTCGHSA enrichment
  25. 2026-09-12 04:59 UTCGHSA enrichment
Show 62 more
  1. 2026-09-11 16:19 UTCEG score recompute
  2. 2026-09-11 16:19 UTCGHSA enrichment
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-11 03:39 UTCGHSA enrichment
  5. 2026-09-10 14:59 UTCEG score recompute
  6. 2026-09-10 14:59 UTCGHSA enrichment
  7. 2026-09-10 09:35 UTCEPSS rescore
  8. 2026-09-10 02:30 UTCGHSA enrichment
  9. 2026-09-09 13:50 UTCGHSA enrichment
  10. 2026-09-09 00:44 UTCEG score recompute
  11. 2026-09-09 00:44 UTCGHSA enrichment
  12. 2026-09-08 22:00 UTCEPSS rescore
  13. 2026-09-08 11:25 UTCGHSA enrichment
  14. 2026-09-07 19:51 UTCEG score recompute
  15. 2026-09-07 19:51 UTCGHSA enrichment
  16. 2026-09-07 16:01 UTCEPSS rescore
  17. 2026-09-07 07:11 UTCGHSA enrichment
  18. 2026-09-06 18:31 UTCEG score recompute
  19. 2026-09-06 18:31 UTCGHSA enrichment
  20. 2026-09-06 13:47 UTCEPSS rescore
  21. 2026-09-06 05:51 UTCGHSA enrichment
  22. 2026-09-05 17:10 UTCEG score recompute
  23. 2026-09-05 17:10 UTCGHSA enrichment
  24. 2026-09-05 04:29 UTCGHSA enrichment
  25. 2026-09-04 15:49 UTCEG score recompute
  26. 2026-09-04 15:49 UTCGHSA enrichment
  27. 2026-09-04 05:06 UTCEPSS rescore
  28. 2026-09-04 03:08 UTCGHSA enrichment
  29. 2026-09-03 14:25 UTCGHSA enrichment
  30. 2026-09-03 01:43 UTCEG score recompute
  31. 2026-09-03 01:42 UTCGHSA enrichment
  32. 2026-09-02 14:12 UTCEPSS rescore
  33. 2026-09-02 13:02 UTCGHSA enrichment
  34. 2026-09-02 00:19 UTCEG score recompute
  35. 2026-09-02 00:19 UTCGHSA enrichment
  36. 2026-09-01 13:54 UTCEPSS rescore
  37. 2026-09-01 11:35 UTCEG score recompute
  38. 2026-09-01 11:35 UTCGHSA enrichment
  39. 2026-08-31 22:55 UTCGHSA enrichment
  40. 2026-08-31 10:15 UTCGHSA enrichment
  41. 2026-08-30 21:35 UTCEG score recompute
  42. 2026-08-30 21:35 UTCGHSA enrichment
  43. 2026-08-30 19:17 UTCEPSS rescore
  44. 2026-08-30 08:56 UTCEG score recompute
  45. 2026-08-30 08:56 UTCGHSA enrichment
  46. 2026-08-30 01:22 UTCEPSS rescore
  47. 2026-08-29 20:15 UTCGHSA enrichment
  48. 2026-08-29 07:35 UTCEG score recompute
  49. 2026-08-29 07:35 UTCGHSA enrichment
  50. 2026-08-28 21:41 UTCEPSS rescore
  51. 2026-08-28 18:54 UTCGHSA enrichment
  52. 2026-08-28 06:13 UTCEG score recompute
  53. 2026-08-28 06:13 UTCGHSA enrichment
  54. 2026-08-27 17:28 UTCGHSA enrichment
  55. 2026-08-27 16:51 UTCEG score recompute 7.50
  56. 2026-08-27 16:51 UTCGHSA enrichment
  57. 2026-08-27 16:43 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  58. 2026-08-27 14:25 UTCEPSS rescore
  59. 2026-08-27 06:35 UTCGHSA enrichment
  60. 2026-08-27 06:17 UTCNVD update
  61. 2026-08-27 06:17 UTCEG score recompute
  62. 2026-08-27 06:11 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-47889?
CVE-2026-47889 is a high vulnerability published on August 27, 2026. 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
When was CVE-2026-47889 disclosed?
CVE-2026-47889 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47889 actively exploited?
CVE-2026-47889 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 82.9% of all scored CVEs.
What is the CVSS score of CVE-2026-47889?
CVE-2026-47889 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-47889?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47889, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-47889

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