P4Verified

CVE-2026-105640: plane < 1.4.0

CVE-2026-105640. CVSS 3.1 base score 9.1 (CRITICAL, Vendor/CNA). EPSS 0.00384 (percentile 0.30199), scored 06-Oct-2026. Fixed version: b91b61c379908d9e451613dbca23fc3803e926d2. Fixed version: 917b23a6c16d93fc00cef67900eff2755e8b13f7.

Affected technology

plane · < 1.4.0
makeplane

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker can set an OAuth identity's unverified provider email to a victim's address, which Plane matches directly to the victim's existing local account. Vendor/CNA’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 12-Oct-2026 00:35 UTC

CWE: CWE-287, CWE-290
CCR priority: 36.5 /100 (P4)
CVSS 3.1: 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · Vendor/CNA
EPSS: 0.00384 · percentile 0.30432 · 2026-10-11
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-05 23:09:08.830529+00:00 UTC
OSV.dev · Source record · observed 2026-10-07 03:19:31.921362+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-105640.html