What is CVE-2026-72783?

CVE-2026-72783 is a medium-severity vulnerability in Craftcms Cms, classified under Path Traversal. CVSS score: 6.2/10. Published 2026-08-11.

How severe is CVE-2026-72783?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Path Traversal in Craftcms Cms

CVE-2026-72783

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 bef…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Craftcms Cms — versions 5.0.0-RC1, 5.10.6, 4.0.0-RC1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-72783?: CVE-2026-72783 is a medium-severity vulnerability in Craftcms Cms, classified under Path Traversal. CVSS score: 6.2/10. Published 2026-08-11.
How severe is CVE-2026-72783?: Medium severity. CVSS v3 base score is 6.2 out of 10.