CVE-2026-47841

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-08-26. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.4Exploit: None knownExposed: 0

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

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18

CVSS v3
7.4
EG Score
7.4(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity74% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

August 26, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 26, 2026
No patch confirmed yet.
generic

WebAuthn User Verification Bypass via Session Serialization

https://spring.io/security/cve-2026-47841

Vendor Advisories for CVE-2026-47841(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 21× in last 7d / 21× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 21:33 UTCGHSA enrichment
  3. 2026-08-29 08:21 UTCEG score recompute
  4. 2026-08-29 08:21 UTCGHSA enrichment
  5. 2026-08-28 21:41 UTCEPSS rescore
  6. 2026-08-28 19:06 UTCGHSA enrichment
  7. 2026-08-28 07:19 UTCGHSA enrichment
  8. 2026-08-27 18:04 UTCEG score recompute
  9. 2026-08-27 18:04 UTCGHSA enrichment
  10. 2026-08-27 14:25 UTCEPSS rescore
  11. 2026-08-27 04:26 UTCEG score recompute
  12. 2026-08-27 04:26 UTCGHSA enrichment
  13. 2026-08-27 04:02 UTCEG score recompute
  14. 2026-08-27 04:02 UTCGHSA enrichment
  15. 2026-08-26 20:27 UTCEG score recompute
  16. 2026-08-26 20:27 UTCGHSA enrichment
  17. 2026-08-26 19:28 UTCEG score recompute
  18. 2026-08-26 19:28 UTCGHSA enrichment
  19. 2026-08-26 18:23 UTCEG score recompute
  20. 2026-08-26 18:02 UTCEG score recompute
  21. 2026-08-26 18:01 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-47841?
CVE-2026-47841 is a high vulnerability published on August 26, 2026. An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18
When was CVE-2026-47841 disclosed?
CVE-2026-47841 was first published in the National Vulnerability Database on August 26, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47841 actively exploited?
CVE-2026-47841 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 77.5% of all scored CVEs.
What is the CVSS score of CVE-2026-47841?
CVE-2026-47841 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-47841?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47841, 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-2026-47841

Explore →

Is Your Infrastructure Affected by CVE-2026-47841?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs