CVE-2026-46558

⚠️ high

Summary

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.

CVSS Score

8.3

High

EPSS Score

0.2

Exploit Probability

Published Date

2026-06-10

First Seen: 2026-06-11

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 79.6% of all 329,778 vulnerabilities in our database.

#67,228

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jun 10, 2026

🔍 Exploitation Status

Poc

Proof-of-concept available

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-06-12

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

CWE IDs (Weakness Types)

CWE-639 CWE-862

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
plane	plane	Affected	< 1.3.1

🔗 References 2

https://github.com/makeplane/plane/releases/tag/v1.3.1

Product Release Notes

https://github.com/makeplane/plane/security/advisori...

Exploit Mitigation Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-10850	🔶 medium	5.4	0.2	Plane CE 1.3.1 allows a low-privileged project member to submit arbitrary HTML/JS in the description_html field when cre...	2026-06-17
CVE-2026-40102	🔶 medium	6.5	0.0	Plane is an open-source project management tool. In versions 1.3.0 and below, SavedAnalyticEndpoint passes the user-cont...	2026-05-20
CVE-2026-39843	⚠️ high	7.7	0.0	Plane is an an open-source project management tool. From 0.28.0 to before 1.3.0, the remediation of GHSA-jcc6-f9v6-f7jw ...	2026-04-09
CVE-2026-27949	ℹ️ low	2.0	0.0	Plane is an an open-source project management tool. Prior to 1.3.0, a vulnerability was identified in Plane's authentica...	2026-04-07
CVE-2026-30242	⚠️ high	8.5	0.0	Plane is an an open-source project management tool. Prior to version 1.2.3, the webhook URL validation in plane/app/seri...	2026-03-06
CVE-2026-30244	⚠️ high	7.5	0.0	Plane is an an open-source project management tool. Prior to version 1.2.2, unauthenticated attackers can enumerate work...	2026-03-06

These CVEs affect the same products