Is CVE-2026-39374 actively exploited?

No active exploitation of CVE-2026-39374 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-39374 be exploited remotely?

Yes. CVE-2026-39374 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-39374?

CVE-2026-39374 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-39374

CWE-639Published: April 7, 2026· Updated: Apr 8, 2026

6.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.3th

Official 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.

NVD Source

Technical Analysis

CVE-2026-39374 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.