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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| makeplane | plane | < 1.3.1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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0xmrma/CVE-2026-46558 ★ 0 · Jun 26, 2026
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 wo…
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.