CVE-2021-36539

MEDIUM

Instructure Canvas LMS - Info Disclosure

Title source: llm
STIX 2.1

Description

Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0027
EPSS Percentile 49.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-639
Status published
Products (1)
instructure/canvas_learning_management_service < 2022-10-15
Published Jan 26, 2023
Tracked Since Feb 18, 2026