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CVE-2026-28697

CRITICAL

9.1

Description

Craft is a content management system (CMS). Prior to 4.17.0-beta.1 and 5.9.0-beta.1, an authenticated administrator can achieve Remote Code Execution (RCE) by injecting a Server-Side Template Injection (SSTI) payload into Twig template fields (e.g., Email Templates). By calling the craft.app.fs.write() method, an attacker can write a malicious PHP script to a web-accessible directory and subsequently access it via the browser to execute arbitrary system commands. This vulnerability is fixed in 4.17.0-beta.1 and 5.9.0-beta.1.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/4/2026

Derniere modification3/5/2026

Sourcenvd

Observations honeypot0

Produits affectes

craftcms:craft_cms

Faiblesses (CWE)

CWE-1336

References

https://github.com/craftcms/cms/commit/9dc2a4a3ec8e9cd5e8c0d1129f36371437519197(security-advisories@github.com)

https://github.com/craftcms/cms/pull/18216(security-advisories@github.com)

https://github.com/craftcms/cms/pull/18219(security-advisories@github.com)

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

Correlations IOC

Aucune correlation enregistree

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