CVE-2026-39374 — Plane IDOR: Cross-Project Issue Date Modification via Bulk Update Endpoint

CVE-2026-39374

Plane IDOR: Cross-Project Issue Date Modification via Bulk Update Endpoint PUBLISHED

Description (CNA)

Plane is an an open-source project management tool. Prior to 1.3.0, the IssueBulkUpdateDateEndpoint allows a project member (ADMIN or MEMBER) to modify the start_date and target_date of ANY issue across the entire Plane instance, regardless of workspace or project membership. The endpoint fetches issues by ID without filtering by workspace or project, enabling cross-boundary data modification. This vulnerability is fixed in 1.3.0.

Affected (CNA)

Vendor / product	Versions
makeplane / plane	affected < 1.3.0

CWE

CWE-639

References

https://github.com/makeplane/plane/security/advisories/GHSA-4q54-h4x9-m329

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.