Plane: Cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces
CVE-2026-46558

8.3HIGH

Key Information:

Vendor

Makeplane

Status
Plane
Vendor
CVE Published:
10 June 2026

What is CVE-2026-46558?

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.

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

.