MEDIUMCVSS v3.1 6.1Vulnerability

CVE-2026-123309

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 stored XSS was possible on the built-in web server via Markdown preview

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-07T06:40:34.987550+00:00
Cvss score
6.1
Cvss severity
MEDIUM
Retrieved at
2026-11-07T06:41:39+00:00
Score
6.1
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-123309
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
First seen by Signal
2026-11-06T14:20:47+00:00
Name
CVE-2026-123309
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published at
2026-11-06T11:17:10.053
Last modified
2026-11-06T21:29:48.800

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Input During Web Page Generation

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CVE-2026-123309 (CVSS v3.1 6.1) — Ninja Signal Threat Intelligence | Ninja Signal