CVE-2026-47877

HIGHPre-NVD 8.28.2—
EchelonGraph scoreHIGH confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-27. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6

CVSS v3
8.2
EG Score
8.2(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 27, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 27, 2026
No patch confirmed yet.
generic

Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)

https://spring.io/security/cve-2026-47877

Vendor Advisories for CVE-2026-47877(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 17× in last 7d / 17× 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 19:54 UTCGHSA enrichment
  3. 2026-08-29 07:31 UTCEG score recompute
  4. 2026-08-29 07:31 UTCGHSA enrichment
  5. 2026-08-28 21:41 UTCEPSS rescore
  6. 2026-08-28 19:06 UTCGHSA enrichment
  7. 2026-08-28 18:19 UTCGHSA enrichment
  8. 2026-08-28 05:52 UTCGHSA enrichment
  9. 2026-08-27 17:28 UTCEG score recompute
  10. 2026-08-27 17:28 UTCGHSA enrichment
  11. 2026-08-27 17:04 UTCEG score recompute
  12. 2026-08-27 17:04 UTCGHSA enrichment
  13. 2026-08-27 14:25 UTCEPSS rescore
  14. 2026-08-27 06:38 UTCEG score recompute
  15. 2026-08-27 06:38 UTCGHSA enrichment
  16. 2026-08-27 06:14 UTCEG score recompute
  17. 2026-08-27 06:11 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-47877?
CVE-2026-47877 is a high vulnerability published on August 27, 2026. Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6
When was CVE-2026-47877 disclosed?
CVE-2026-47877 was first published in the National Vulnerability Database on August 27, 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-2026-47877 actively exploited?
CVE-2026-47877 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 91.5% of all scored CVEs.
What is the CVSS score of CVE-2026-47877?
CVE-2026-47877 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-47877?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47877, 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-2026-47877

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