Halo vulnerabilities
6 known CVE vulnerabilities in Halo, translated and rated.
- CVE-2026-67919Critical
An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the PluginEndpoint.java, installFromUri method, and DefaultPluginApplicationContextFactory components.
- CVE-2026-67920High
An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the run.halo.app.migration.impl.MigrationServiceImpl.restoreWorkdir(), and org.springframework.util.FileSystemUtils.copyRecursively() components.
- CVE-2026-15326Low
A path traversal vulnerability was found in halo-dev halo up to version 2.24.2 in the ThemeUtils.unzipThemeTo function of ThemeUtils.java during theme installation. Manipulating the metadata.name argument allows remote exploitation, and a public exploit is available.
- CVE-2026-55439Medium
Halo is an open source website building tool. Prior to version 2.24.3, a path traversal vulnerability in the backup download endpoint allows authenticated administrators to read arbitrary files from the server filesystem.
- CVE-2025-51857Medium
An XSS vulnerability in the reconcile method of the AttachmentReconciler class in Halo system v.2.20.18LTS and earlier allows an attacker to inject malicious scripts.
- CVE-2023-27164Medium
An arbitrary file upload vulnerability in Halo up to v1.6.1 allows attackers to execute arbitrary code via a crafted .md file.