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CVE-2026-64965— Missing Authorization Check in ATutor

Quick assessment

Affected
ATutor ATutor
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.

ATutor 在其“测试导入”和“问题导入”接口中存在权限验证缺失漏洞。课程中注册的低权限认证用户（例如学生）可以通过直接向后端导入接口发送请求，绕过权限检查，从而在课程中未经授权地导入测试题目和问题。 该产品已不再获得积极支持，且相关漏洞尚未修复。仅对版本 2.2.4 进行了测试并确认存在漏洞，其他版本未经测试，但可能同样存在该漏洞。

CVSS 5.3 · Medium EPSS 0.28% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
ATutor ATutor 2.2.4 affected
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I. Basic Information for CVE-2026-64965

Vulnerability Information
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Vulnerability Title
Missing Authorization Check in ATutor
Source: CVE Program / CVE List V5
Vulnerability Description
ATutor is vulnerable to Missing Authorization Check on Test and Question Import endpoints.  A low-privileged authenticated user (e.g. a student) enrolled in a course can bypass authorization checks by sending requests directly to the backend import endpoints, allowing the unauthorized import of tests and questions within a course. Product is no longer actively supported and the vulnerabilities have not been fixed. Only version 2.2.4 was tested and confirmed as vulnerable, other versions were not tested but might also be vulnerable.
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
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ATutor ATutor 2.2.4 -

II. Public POCs for CVE-2026-64965

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III. Intelligence Information for CVE-2026-64965

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Security Blog Posts for CVE-2026-64965 (1)

Same Patch Batch · ATutor · 2026-08-20 · 13 CVEs total

CVE-2026-64960 8.7 HIGH Remote Code Execution via Unrestricted File Upload in ATutor
CVE-2026-64966 8.7 HIGH Path Traversal leading to Remote Code Execution in ATutor
CVE-2026-64967 6.9 MEDIUM Path Traversal in ATutor
CVE-2026-64964 6.3 MEDIUM Generation of Predictable Email Confirmation Token in ATutor
CVE-2026-64961 6.3 MEDIUM Authentication Bypass in ATutor
CVE-2026-64969 5.3 MEDIUM Insecure Direct Object Reference in ATutor
CVE-2026-64968 5.1 MEDIUM Server-Side Request Forgery in ATutor
CVE-2026-64962 5.1 MEDIUM Cross-Site Request Forgery (CSRF) in ATutor
CVE-2026-64970 5.1 MEDIUM Stored XSS in ATutor
CVE-2026-64971 4.8 MEDIUM Reflected XSS in ATutor
CVE-2026-64972 4.8 MEDIUM Reflected XSS in ATutor
CVE-2026-64963 2.3 LOW Path Traversal in ATutor

IV. Related Vulnerabilities

Same product: ATutor
Same vendor: ATutor
Same weakness: CWE-862

V. Comments for CVE-2026-64965

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