GHSA-9w6w-8x3c-hfqp

Duplicate Advisory: Craft CMS: Incorrect path validation could potentially lead to path traversal

Published

2026-08-11

Modified

2026-09-01

Sources

github-advisory

Summary

## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-7hxc-f267-h5q7. This link is maintained to preserve external references. ## Original Description Craft CMS versions >= 5.0.0-RC1 before 5.10.6 and >= 4.0.0-RC1 before 4.18.2 contain a theoretical path traversal weakness in the ensurePathIsContained function of the Local file system class. The order of operations validates the path before normalization, so normalization could invalidate prior validation assumptions (a desanitization-style issue) and potentially resolve to files outside the intended volume directory. The vendor notes the issue is not directly exploitable and no exploitable scenario has been discovered; the fix is recommended for hardening.

Affected packages

Remediation: No patched version is listed by GitHub.

References

• https://github.com/advisories/GHSA-9w6w-8x3c-hfqp