CVE-2026-86487CWE-863broken-access-control

CVE-2026-86487

Low · published September 7, 2026

CVSS v3.1
3.1
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
3.1 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00197 · 8.9th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-07T21:17Z
References (1)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 07 SEP 16:26Z
    In JetBrains YouTrack before 2026.2.18634 a crafted WebSocket message allowed read-only whiteboard users to modify canvas content
    cvelistv5