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CVE-2026-22692— October CMS: Twig Sandbox Bypass via Collection Methods

Quick assessment

Affected
octobercms october
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

October是October开源的一个内容管理系统 (CMS) 和网络平台。 October 3.7.13之前版本和4.1.4及之前版本存在安全漏洞，该漏洞源于Twig安全模式功能存在沙箱绕过，可能导致经过身份验证的用户绕过沙箱保护。

CVSS 4.9 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2026-22692

Vulnerability Information
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Vulnerability Title
October CMS: Twig Sandbox Bypass via Collection Methods
Source: CVE Program / CVE List V5
Vulnerability Description
October is a Content Management System (CMS) and web platform. Versions prior to 3.7.13 and versions 4.0.0 through 4.1.4 contain a sandbox bypass vulnerability in the optional Twig safe mode feature (CMS_SAFE_MODE). Certain methods on the collect() helper were not properly restricted, allowing authenticated users with template editing permissions to bypass sandbox protections. Exploitation requires authenticated backend access with CMS template editing permissions and only affects installations with CMS_SAFE_MODE enabled (disabled by default). This issue has been fixed in versions 3.7.13 and 4.1.5. To workaround this issue, users can disable CMS_SAFE_MODE if untrusted template editing is not required, and restrict CMS template editing permissions to fully trusted administrators only.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
October 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
October是October开源的一个内容管理系统 (CMS) 和网络平台。 October 3.7.13之前版本和4.1.4及之前版本存在安全漏洞，该漏洞源于Twig安全模式功能存在沙箱绕过，可能导致经过身份验证的用户绕过沙箱保护。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
octobercms october < 3.7.13 -

II. Public POCs for CVE-2026-22692

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III. Intelligence Information for CVE-2026-22692

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Same Patch Batch · octobercms · 2026-04-14 · 5 CVEs total

CVE-2026-25125 4.9 MEDIUM October CMS: Environment Variable Exfiltration via INI Parser Interpolation
CVE-2026-25133 October CMS has Stored XSS via SVG Filter Bypass
CVE-2026-24906 October CMS has Stored XSS in its Backend Editor Markup Classes
CVE-2026-24907 October CMS has Stored XSS via Event Log Mail Preview

IV. Related Vulnerabilities

Same product: october
Same vendor: octobercms
Same weakness: CWE-693

V. Comments for CVE-2026-22692

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