What is CVE-2026-72779?

CVE-2026-72779 is a medium-severity vulnerability in Craftcms Cms, classified under Incomplete List of Disallowed Inputs. CVSS score: 4.5/10. Published 2026-08-11.

How severe is CVE-2026-72779?

Medium severity. CVSS v3 base score is 4.5 out of 10.

Vulnerability in Craftcms Cms

CVE-2026-72779

Craft CMS 5.0.0-RC1 before 5.10.6 and 4.0.0-RC1 before 4.18.2 contain an arbitrary file read vulnerability. The create() Twig function restricts class instantiation using a 5-entry blocklist that does not include SplFileObject, allowing an…

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/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-184 — Incomplete List of Disallowed Inputs

References

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

Frequently asked questions

What is CVE-2026-72779?: CVE-2026-72779 is a medium-severity vulnerability in Craftcms Cms, classified under Incomplete List of Disallowed Inputs. CVSS score: 4.5/10. Published 2026-08-11.
How severe is CVE-2026-72779?: Medium severity. CVSS v3 base score is 4.5 out of 10.