Threats Tagged 'cve-2026-48126'
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Threats Tagged 'cve-2026-48126'
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CVE-2026-48126: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in xyproto algernonCVE-2026-48126 0 Algernon is a small self-contained pure-Go web server. Prior to 1.17.8, when algernon is started with --domain (or --letsencrypt, which silently turns on --domain at engine/flags.go:372), the request handler resolves the served directory by joining the configured --dir with the value of the client-supplied Host header. The join is performed by filepath.Join with no validation, so a Host: .. header walks one level above the document root. Subsequent file resolution then exposes everything in that parent directory — arbitrary file read, full directory listing, and, if any .lua file is present, server-side Lua execution. This vulnerability is fixed in 1.17.8. Join the discussion | CVE Database V5 | 05/26/2026, 16:44:09 UTC Added: 05/26/2026, 17:02:38 UTC |
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