CVE-2026-28697

Craft Affected by Authenticated RCE via "craft.app.fs.write()" in Twig Templates

Published: Mar 4, 2026Updated: Mar 5, 2026 Sources: CVE List NVD GHSACWE-1336

NVD MITRE

9.1CVSSCRITICAL

Description

Craft CMS Vulnerable to Authenticated RCE via "craft.app.fs.write()" in Twig Templates

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-1336

Affected Products

craftcms/cms Packagist OSS Libraries

cms craftcms Web & CMS Plugins

craft cms craftcms Web & CMS Plugins

packagistpackage-ecosystemOSS Libraries

craftcmscommercialNZWeb & CMS Plugins

Exploitability

Official Patch Available

Workaround Available

References

https://github.com/craftcms/cms/security/advisories/GHSA-v47q-jxvr-p68x

github.com

https://nvd.nist.gov/vuln/detail/CVE-2026-28697

nvd.nist.gov

https://github.com/craftcms/cms/pull/18216

github.com

and 3 more references View all →

Timeline

Published

Mar 4, 2026

Last Updated

Mar 5, 2026

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