instructure 相关的公开 CVE 漏洞与安全风险信息，提供 CVSS、EPSS、公开时间与漏洞情报数据，帮助评估潜在风险与修复优先级。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2021-36539 | Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url). | [email protected] | 6.5 | 0.87% | 2023-01-26 | 2026-06-16 |
| CVE-2020-5775 | Server-Side Request Forgery in Canvas LMS 2020-07-29 allows a remote, unauthenticated attacker to cause the Canvas application to perform HTTP GET requests to arbitrary domains. | [email protected] | 5.8 | 6.53% | 2020-08-21 | 2026-06-16 |