CVE-2026-46558: high-severity vulnerability in makeplane plane
Plane: Cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces
Published
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.3epss 0.4%
from disclosure to weapon16 days
Published on NVDJun 10
1st PoC+16d
exploitation probability
0.4%top 67% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Affected products
makeplane · planepublic PoCs found — 1
githubgithub.com/0xmrma/CVE-2026-46558★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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