Cross-Workspace Authorization Bypass in Plane Project Management Tool
CVE-2026-46558

8.3HIGH

Key Information:

Vendor

Makeplane

Status
Plane
Vendor
CVE Published:
10 June 2026

What is CVE-2026-46558?

An authorization bypass vulnerability in the Plane project management tool allows authenticated users to access, modify, and delete assets across different workspaces. This significant flaw exposes sensitive information and compromises workspace integrity, making it essential for users to upgrade to version 1.3.1 or later to mitigate the risk.

Affected Version(s)

plane < 1.3.1

References

https://github.com/makeplane/plane/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/makeplane/plane/releases/tag/v1.3.1
x_refsource_MISC

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.