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CVE-2026-123834

8.1, high

JetBrains Datalore Authorization Bypass Through User-Controlled Key Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
8.1, high high CVSS v3.1
EPSS, next 30 days
0.3% higher than 22.7% of scored CVEs
Exploitation
No public evidence
Published
6 Nov 20267 days ago

Description

In JetBrains Datalore before 2026.4 improper scope validation in database tasks allowed using another workspace's service account

Details

Vendor
JetBrains
Product
Datalore
Weakness
CWE-639 (opens in a new tab)
Status
Analyzed
Updated
12 Nov 2026
Assigner
cve@jetbrains.com

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References 1

Advisories 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other JetBrains CVEs

Every JetBrains CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-63077 JetBrains TeamCity Deserialization of Untrusted Data Vulnerability KEV EPSS 95% 9.8, critical
  • CVE-2024-27198 JetBrains TeamCity Authentication Bypass Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2024-27199 JetBrains TeamCity Relative Path Traversal Vulnerability KEV EPSS 100% 7.3, high
  • CVE-2023-42793 JetBrains TeamCity Authentication Bypass Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2026-123285 In JetBrains Datalore before 2026.3 command execution was possible in the database task container via JVM options injection EPSS 0.9% 8.8, high
  • CVE-2026-123287 JetBrains Datalore Incorrect Authorization Vulnerability EPSS 0.3% 7.5, high
  • CVE-2026-111094 JetBrains TeamCity Deserialization of Untrusted Data Vulnerability EPSS 0.4% 9.8, critical
  • CVE-2026-106218 In JetBrains TeamCity before 2026.1.3 2025.11.7 kotlin DSL sandbox escape leading to RCE on the server was possible EPSS 0.3% 10, critical

Beyond this page

Is CVE-2026-123834 in your network?

This page tells you how dangerous CVE-2026-123834 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-123834 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 13 Nov 2026, not the live upstream state.