CVE-2026-46558

HIGH CVSS 3.1: 8.3 EPSS 0.28%
Updated Jun 17, 2026
Plane
Parameter Value
CVSS 8.3 (HIGH)
Affected Versions before 1.3.1
Fixed In 1.3.1
Type CWE-639 (Authorization Bypass), CWE-862 (Missing Authorization)
Vendor Plane
Public PoC No

Plane is an open-source project management tool. Prior to version 1.3.1, there is a cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces. This issue has been patched in version 1.3.1.

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
Low
Partial disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Plane Plane
cpe:2.3:a:plane:plane:*:*:*:*:*:*:*:*
1.3.1