SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-86491

In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads

LOW 3.5EPSS 0.14%

Does this matter?

Lower severity and a low EPSS score (0.14%). Track it; it rarely justifies an emergency change on its own.

Description

In JetBrains YouTrack before 2026.2.18634 stored XSS was possible via project and organization icon uploads

CVSS 3.1
3.5 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
EPSS
0.14% probability · 4th percentile
CISA KEV
Not listed
Weakness
CWE-79
Source
cve@jetbrains.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.