CVE-2026-123290

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 71/100
Published: 2026-11-06 Modified: 2026-11-12 First seen: 2026-11-06 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: Low
I: None
A: None

Description

In JetBrains Datalore before 2026.4 hidden notebook code was exposed to unauthenticated users via the public interactive report content endpoint

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
JetBrains Datalore 0 < 2026.4
JetBrains Datalore 0 < 2026.4
jetbrains datalore < 2026.4

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.32%
Raw Score 0.003180
Percentile 25.2%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00318
2026-11-12
0.00318
2026-11-10
0.00318
2026-11-09
0.00318
2026-11-08
0.00318
2026-11-07
0.00318

Intelligence Sources

mitre ref →
nvd ref →