CVE-2026-104894
Medium
Description
Plane is an open-source project management tool. Prior to 1.4.0, the modules endpoint accepts issue UUIDs in the URL path without validating that they belong to the caller's workspace. An authenticated user can link issues from any workspace to modules in their own workspace. This issue is fixed in 1.4.0.
SeverityMedium
CVSS4.3
Exploit probability—
ProductPlane
PublishedOct 5, 2026
First seenOct 5, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| makeplane plane | < 1.4.0 | — |
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