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CVE-2026-24901

HIGH CVSS 3.1: 8.8 EPSS 0.04%
Updated Mar 19, 2026
Getoutline
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions before 1.4.0
Fixed In 1.4.0
Type CWE-639 (Authorization Bypass)
Vendor Getoutline
Public PoC No

Outline is a service that allows for collaborative documentation. Prior to 1.4.0, an Insecure Direct Object Reference (IDOR) vulnerability in the document restoration logic allows any team member to unauthorizedly restore, view, and seize ownership of deleted drafts belonging to other users, including administrators. By bypassing ownership validation during the restore process, an attacker can access sensitive private information and effectively lock the original owner out of their own content.

Version 1.4.0 fixes the issue.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Getoutline Outline
cpe:2.3:a:getoutline:outline:*:*:*:*:*:*:*:*
1.4.0