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A Path Traversal vulnerability exists in Quick.CMS through the URI path component of HTTP requests, where the server fails to normalize dot-dot-slash (../) sequences before resolving and serving the …

Info
CVECVE-2026-63303
First seen2026-07-28 12:15 UTC
Disclosed2026-07-28 11:17 UTC
Last updated2026-07-28 12:15 UTC
Channel statusauto

Summary

A Path Traversal vulnerability exists in Quick.CMS through the URI path component of HTTP requests, where the server fails to normalize dot-dot-slash (../) sequences before resolving and serving the requested file. An authenticated attacker with admin privileges can use this vulnerability to read contents of files located in the sibling directory of the webroot via a crafted HTTP request containing ../ sequences in the URI. The vendor assessed the likelihood of exploitation as very low and de…

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (2)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://cert.pl/en/posts/2026/07/CVE-2026-63301
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://opensolution.org/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD