🛡️ CVE-2026-46558 — plane

🟠 CVSS 8.3 — High ⚠️ Exploit Public CWE-639 NVD
8.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability low.

Weakness class

CVE-2026-46558 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2026-46558 is recorded against 2 packages.

  • plane (fixed in 1.3.1)
  • unknown

Timeline and source

Published on 10 June 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com
github.com

Details

Severity HIGH
CVSS Score 8.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CWE CWE-639
Public Exploit ⚠️ Yes
Source NVD
Published 2026-06-10
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
plane — 1.3.1
unknown — —

Similar Threats

Exploit Protection

Are you running plane?

CVE-2026-46558 carries CVSS 8.3 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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