SEPTEMBER 17, 2026
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Case File

CVE-2026-18422

LOW · CVSS 2.1 EPSS 0.37%

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

Concrete CMS versions prior to 9.5.3 are vulnerable to a lack of destination-side authorization checks and CSRF token validation in the multilingual page assignment feature. This flaw allows authenticated users with specific permissions to manipulate translation pairs, potentially disrupting language routing and affecting the integrity of multilingual content. Organizations using Concrete CMS should prioritize patching this vulnerability to safeguard their content management processes and maintain site reliability.

CVE
CVE-2026-18422
Severity
LOW
CVSS
2.1
EPSS
0.37%

Original NVD Description

Concrete CMS before 9.5.3 did not enforce a destination-side authorization check and did not validate a CSRF token in the multilingual page assignment backend action (Backend\Page\Multilingual::assign). As a result, an authenticated user who held the Edit Page Multilingual Settings permission on a single page could bind an arbitrary page in another locale as that source page's translation, and could delete legitimate translation pairs maintained by other editors, altering public-facing language routing across the site. The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 2.1 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N. Thanks Winston Crooker for reporting.