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CVE-2026-72779— Craft CMS 5.0.0-RC1 before 5.10.6 Arbitrary File Read via SplFileObject

Quick assessment

Affected
craftcms cms
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.

Craft CMS是Craft CMS公司的一套内容管理系统(CMS)。 Craft CMS 5.0.0-RC1版本至5.10.6之前版本和4.0.0-RC1版本至4.18.2之前版本存在输入验证错误漏洞，该漏洞源于create() Twig函数限制类实例化时阻止列表未包含SplFileObject，经过身份验证的管理员可在非沙盒模板环境中配置恶意条目类型标题或URI格式，实例化SplFileObject，导致服务器上的任意文件（如包含安全密钥和数据库凭据的.env文件）被读取并渲染为条目标题。

CVSS 4.5 · Medium EPSS 0.38% · P29

Possible ATT&CK Techniques 2 AI

T1122 T1552.006 · Group Policy Preferences

Affected Version Matrix 4

VendorProduct Version RangeStatus
craftcms cms 5.0.0-RC1< 5.10.6 affected
5.10.6 unaffected
4.0.0-RC1< 4.18.2 affected
4.18.2 unaffected
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I. Basic Information for CVE-2026-72779

Vulnerability Information
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Vulnerability Title
Craft CMS 5.0.0-RC1 before 5.10.6 Arbitrary File Read via SplFileObject
Source: CVE Program / CVE List V5
Vulnerability Description
Craft CMS 5.0.0-RC1 before 5.10.6 and 4.0.0-RC1 before 4.18.2 contain an arbitrary file read vulnerability. The create() Twig function restricts class instantiation using a 5-entry blocklist that does not include SplFileObject, allowing an authenticated administrator (with allowAdminChanges=true) to configure a malicious entry type title or URI format that instantiates SplFileObject in a non-sandboxed template context. When a user subsequently creates an entry in the affected section, arbitrary files on the server (such as .env containing the security key and database credentials) are read and rendered as entry titles.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
Craft CMS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Craft CMS是Craft CMS公司的一套内容管理系统(CMS)。 Craft CMS 5.0.0-RC1版本至5.10.6之前版本和4.0.0-RC1版本至4.18.2之前版本存在输入验证错误漏洞，该漏洞源于create() Twig函数限制类实例化时阻止列表未包含SplFileObject，经过身份验证的管理员可在非沙盒模板环境中配置恶意条目类型标题或URI格式，实例化SplFileObject，导致服务器上的任意文件（如包含安全密钥和数据库凭据的.env文件）被读取并渲染为条目标题。
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
craftcms cms 5.0.0-RC1 ~ 5.10.6 -
craftcms cms 4.0.0-RC1 ~ 4.18.2 -

II. Public POCs for CVE-2026-72779

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III. Intelligence Information for CVE-2026-72779

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Vendor Advisories for CVE-2026-72779 (2)

Same Patch Batch · craftcms · 2026-08-11 · 8 CVEs total

CVE-2026-72778 8.8 HIGH Craft CMS 5.0.0-RC1 before 5.10.6 Authenticated RCE via condition.config
CVE-2026-72781 8.8 HIGH Craft CMS 5.0.0-RC1 before 5.10.7 Remote Code Execution via Twig Sandbox Escape
CVE-2026-72780 6.5 MEDIUM Craft CMS before 5.10.5 WebAuthn Assertion Replay via login-with-passkey
CVE-2026-72782 6.5 MEDIUM Craft CMS 5.0.0-RC1 before 5.10.6 Environment Variable Leak
CVE-2026-72783 6.2 MEDIUM Craft CMS 5.0.0-RC1 before 5.10.6 Path Traversal via ensurePathIsContained
CVE-2026-72784 5.4 MEDIUM Craft CMS 5.0.0-RC1 before 5.10.6 SSRF via GraphQL asset mutation
CVE-2026-72785 4.3 MEDIUM Craft CMS before 5.10.6 Authorization Bypass via structures/move-element

IV. Related Vulnerabilities

Same product: cms
Same vendor: craftcms
Same weakness: CWE-184

V. Comments for CVE-2026-72779

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