CVE-2026-86487

3.1 lowEPSS 0.2%

Low (3.1). EPSS 0.2% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content

Severity

3.1 low

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2026-09-07
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19