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-2026-59277

CVE-2026-59277MEDIUM

Spring Security InetAddressMatchers Incomplete Internal Network Classification

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  L  N  N    5.3   .0029   19.3     —

AFFECTED
  Product          Versions  Fixed
  Spring Security  7.1.0 –   —

TIMELINE
  Jul 4   Reserved by vmware
  Aug 27  Published (CNA: vmware)
  Sep 2   RESCORED — CVE-2026-59277 (Spring Security). CVSS 3.7 → 5.3 (NVD).

CWE-693 · CNA: vmware · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

Spring Security's InetAddressMatchers utility provides matchInternal() and matchExternal() builders for constructing an InetAddressMatcher that classifies a given IP address as belonging to an internal (private) or external (public) network. Spring Security 7.1.0

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 4, 2026	Reserved	Reserved by vmware
August 27, 2026	Published	Published (CNA: vmware)
September 2, 2026	RESCORED	RESCORED — CVE-2026-59277 (Spring Security). CVSS 3.7 → 5.3 (NVD).

Affected

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

Weaknesses

CWE-693

References (1)

https://spring.io/security/cve-2026-59277 [Vendor Advisory]

Authoritative record: CVE-2026-59277 at cve.org

Vendors: spring

Weaknesses: CWE-693

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-59277 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.