Improper Scope Validation in JetBrains Datalore Service Accounts
CVE-2026-123834

7.5HIGH

Key Information:

Vendor

Jetbrains
Status
Datalore
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123834?

In JetBrains Datalore prior to version 2026.4, a vulnerability existed due to improper scope validation in database tasks. This flaw could be exploited to access service accounts associated with other workspaces, potentially leading to unauthorized actions and exposure of sensitive data. Users are advised to update to the latest version to mitigate this risk and safeguard their accounts.

Affected Version(s)

Datalore 0 < 2026.4

References

https://www.jetbrains.com/privacy-security/issues-fixed/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.