CVE intelligence

CVE-2026-86253

h3 (npm package) versions <= 2.0.1-rc.14 contain a path traversal vulnerability in serveStatic(). On Node.js deployments, event.url.pathname

Published 2026-09-06 · CVSS

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

AVAttack Vector: Network
ACAttack Complexity: High
ATAttack Requirements: Present
PRPrivileges Required: None
UIUser Interaction: None
VCVulnerable System Confidentiality: High
VIVulnerable System Integrity: None
VAVulnerable System Availability: None
SCSubsequent System Confidentiality: None
SISubsequent System Integrity: None
SASubsequent System Availability: None

high