CVE-2026-86174

Plane (project management platform) through version 1.4.2 has a validation flaw in its public deploy-board comment endpoint . The endpoint fails to verify that a supplied issue_id belongs to the deploy board's own project, allowing authenticated attackers to post comments to arbitrary issues acro...

CVE-2026-86174 Plane through 1.4.2 Arbitrary Comment Write via Public Deploy Board

Plane through 1.4.2 fails to validate that issues belong to the deploy board's project in the public comment endpoint. Authenticated attackers can post comments to arbitrary issues across workspaces by supplying an issueid parameter to the public deploy-board comment endpoint...

EUVD-2026-71973

Plane through 1.4.2 fails to validate that issues belong to the deploy board's project in the public comment endpoint. Authenticated attackers can post comments to arbitrary issues across workspaces by supplying an issueid parameter to the public deploy-board comment endpoint...