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CVE-2026-39415— Frappe Learning Management System has Client-Side Manipulation of Quiz Scores

Quick assessment

Affected
frappe lms
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.

Frappe Learning Management System是Frappe开源的一个易于使用的开源学习管理系统。 Frappe Learning Management System 2.46.0之前版本存在安全漏洞，该漏洞源于依赖客户端计算的测验分数，可能导致学生在提交前修改分数，损害测验结果的完整性。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1136.001 · Local Account
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I. Basic Information for CVE-2026-39415

Vulnerability Information
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Vulnerability Title
Frappe Learning Management System has Client-Side Manipulation of Quiz Scores
Source: CVE Program / CVE List V5
Vulnerability Description
Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to 2.46.0, a vulnerability has been identified in Frappe Learning where quiz scores can be modified by students before submission. The application currently relies on client-side calculated scores, which can be altered using browser developer tools prior to sending the submission request. While this does not allow modification of other users’ data or privilege escalation, it compromises the integrity of quiz results and undermines academic reliability. This issue affects data integrity but does not expose confidential information or allow unauthorized access to other accounts. This vulnerability is fixed in 2.46.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
Frappe Learning Management System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Frappe Learning Management System是Frappe开源的一个易于使用的开源学习管理系统。 Frappe Learning Management System 2.46.0之前版本存在安全漏洞，该漏洞源于依赖客户端计算的测验分数，可能导致学生在提交前修改分数，损害测验结果的完整性。
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
frappe lms < 2.46.0 -

II. Public POCs for CVE-2026-39415

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III. Intelligence Information for CVE-2026-39415

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IV. Related Vulnerabilities

Same product: lms
Same vendor: frappe
Same weakness: CWE-602

V. Comments for CVE-2026-39415

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