Dashboard / CVE-2026-123840

CVE-2026-123840

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 49/100
Published: 2026-11-06 Modified: 2026-11-10 First seen: 2026-11-06 Status: active

Attack Surface

Network No Auth Scope Change

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: Required
S: Changed
C: Low
I: Low
A: None

Description

In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
JetBrains IntelliJ IDEA 0 < 2026.3
JetBrains IntelliJ IDEA 0 < 2026.3
jetbrains intellij_idea < 2026.3

References & Advisories (1)

Bug Bounty Relevance

49 / 100
✓ Network accessible
✓ No authentication

CVSS Score

4.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.20%
Raw Score 0.001990
Percentile 9.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00199
2026-11-12
0.00199
2026-11-10
0.00199
2026-11-09
0.00199
2026-11-08
0.00199
2026-11-07
0.00199

Intelligence Sources

mitre ref →
nvd ref →

External Links