CVE-2026-46558
Plane: Cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces
Description
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.
INFO
Published Date :
June 10, 2026, 4:17 p.m.
Last Modified :
June 12, 2026, 12:49 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Plane to version 1.3.1 or later.
- Verify asset permissions are correctly enforced.
Public PoC/Exploit Available at Github
CVE-2026-46558 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46558.
| URL | Resource |
|---|---|
| https://github.com/makeplane/plane/releases/tag/v1.3.1 | Product Release Notes |
| https://github.com/makeplane/plane/security/advisories/GHSA-qw87-v5w3-6vxx | Exploit Mitigation Vendor Advisory |
| https://github.com/makeplane/plane/security/advisories/GHSA-qw87-v5w3-6vxx | Exploit Mitigation Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46558 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46558
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Plane’s V2 asset subsystem trusted workspace slugs and asset UUIDs without enforcing the right membership checks, which let one authenticated user read, copy, delete, and overwrite assets in other workspaces.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46558 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46558 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 12, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:plane:plane:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.1 Added Reference Type GitHub, Inc.: https://github.com/makeplane/plane/releases/tag/v1.3.1 Types: Product, Release Notes Added Reference Type CISA-ADP: https://github.com/makeplane/plane/security/advisories/GHSA-qw87-v5w3-6vxx Types: Exploit, Mitigation, Vendor Advisory Added Reference Type GitHub, Inc.: https://github.com/makeplane/plane/security/advisories/GHSA-qw87-v5w3-6vxx Types: Exploit, Mitigation, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 10, 2026
Action Type Old Value New Value Added Reference https://github.com/makeplane/plane/security/advisories/GHSA-qw87-v5w3-6vxx -
New CVE Received by [email protected]
Jun. 10, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L Added CWE CWE-639 Added CWE CWE-862 Added Reference https://github.com/makeplane/plane/releases/tag/v1.3.1 Added Reference https://github.com/makeplane/plane/security/advisories/GHSA-qw87-v5w3-6vxx