CVE-2026-77939 - Flextype CMS through v1.0.0-dev contains an expression language injection vulnerability that allows authenticated attackers with a valid API token to read arbitrary files by passing unsanitized user-supplied input to the Symfony ExpressionLanguage engine via the POST /api/v1/query endpoint. Attackers can leverage exposed application objects including filesystem() and serializers() within the evaluation scope to read arbitrary server files and achieve conditional remote code exec - 漏洞详情

漏洞编号：CVE-2026-77939

风险等级：中危

漏洞来源：CVE

CVE 编号：CVE-2026-77939

CNNVD 编号：-

厂商/产品：- / -

影响范围：-

CWE：CWE-94

发布/更新时间：2026-08-28 / 2026-08-28

漏洞描述

Flextype CMS through v1.0.0-dev contains an expression language injection vulnerability that allows authenticated attackers with a valid API token to read arbitrary files by passing unsanitized user-supplied input to the Symfony ExpressionLanguage engine via the POST /api/v1/query endpoint. Attackers can leverage exposed application objects including filesystem() and serializers() within the evaluation scope to read arbitrary server files and achieve conditional remote code execution if a PHP file can be placed on disk through a secondary vector.

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