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CVE-2026-28782— Craft has a Permission Bypass and IDOR in Duplicate Entry Action

AI Predicted 7.5 Difficulty: Easy EPSS 0.04% · P13
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I. Basic Information for CVE-2026-28782

Vulnerability Information
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Vulnerability Title
Craft has a Permission Bypass and IDOR in Duplicate Entry Action
Source: NVD (National Vulnerability Database)
Vulnerability Description
Craft is a content management system (CMS). Prior to 5.9.0-beta.1 and 4.17.0-beta.1, the "Duplicate" entry action does not properly verify if the user has permission to perform this action on the specific target elements. Even with only "View Entries" permission (where the "Duplicate" action is restricted in the UI), a user can bypass this restriction by sending a direct request. Furthermore, this vulnerability allows duplicating other users' entries by specifying their Entry IDs. Since Entry IDs are incremental, an attacker can trivially brute-force these IDs to duplicate and access restricted content across the system. This vulnerability is fixed in 5.9.0-beta.1 and 4.17.0-beta.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Craft CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Craft CMS是Craft CMS开源的一套内容管理系统（CMS）。 Craft CMS 5.9.0-beta.1之前版本和4.17.0-beta.1之前版本存在安全漏洞，该漏洞源于重复条目操作缺少权限验证，可能导致未经授权复制和访问受限内容。
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

VendorProductAffected VersionsCPESubscribe
craftcmscms >= 5.0.0-RC1, < 5.9.0-beta.1 -

II. Public POCs for CVE-2026-28782

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III. Intelligence Information for CVE-2026-28782

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Advisory · 1Patch · 1

Same Patch Batch · craftcms · 2026-03-04 · 8 CVEs total

CVE-2026-28696Craft affected by IDOR via GraphQL @parseRefs
CVE-2026-28695Craft affected by authenticated RCE via Twig SSTI - create() function + Symfony Process ga
CVE-2026-28697Craft Affected by Authenticated RCE via "craft.app.fs.write()" in Twig Templates
CVE-2026-28781Craft Affected by Entries Authorship Spoofing via Mass Assignment
CVE-2026-29069Craft has an unauthenticated activation email trigger with potential user enumeration
CVE-2026-28783Craft has a Twig Function Blocklist Bypass
CVE-2026-28784Craft is affected by potential authenticated Remote Code Execution via Twig SSTI

IV. Related Vulnerabilities

Same product: cms
Same vendor: craftcms
Same weakness: CWE-639

V. Comments for CVE-2026-28782

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