Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-47877

CVE-2026-47877MEDIUM

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

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  C  L  L  N    6.1   .0028   18.3     —

AFFECTED
  Product          Versions  Fixed
  Spring Security  7.1.0 –   —

TIMELINE
  May 20  Reserved by vmware
  Aug 27  Published (CNA: vmware)
  Sep 2   RESCORED — CVE-2026-47877 (Spring Security). CVSS 8.2 → 6.1 (NVD).

CWE-79 · CNA: vmware · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

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

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 20, 2026	Reserved	Reserved by vmware
August 27, 2026	Published	Published (CNA: vmware)
September 2, 2026	RESCORED	RESCORED — CVE-2026-47877 (Spring Security). CVSS 8.2 → 6.1 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Spring	Spring Security	—	7.1.0	—

Weaknesses

CWE-79

References (1)

https://spring.io/security/cve-2026-47877 [Vendor Advisory]

Authoritative record: CVE-2026-47877 at cve.org

Vendors: spring

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-47877 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.