CVE-2026-39374

| EUVD-2026-19913 MEDIUM
2026-04-07 GitHub_M
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Apr 07, 2026 - 20:16 euvd
EUVD-2026-19913
Analysis Generated
Apr 07, 2026 - 20:16 vuln.today
CVE Published
Apr 07, 2026 - 19:37 nvd
MEDIUM 6.5

Tags

Authentication Bypass

Description

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.

Analysis

Plane project management tool versions prior to 1.3.0 allow authenticated project members to modify issue dates across workspace and project boundaries via the IssueBulkUpdateDateEndpoint, which lacks proper authorization filtering. An attacker with ADMIN or MEMBER role in any project can arbitrarily change start_date and target_date fields on issues they have no legitimate access to, enabling data integrity violations across the entire Plane instance. …

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-39374 vulnerability details – vuln.today
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