Improper Authorization in JetBrains Datalore Allows Content Modification
CVE-2026-123284

6.5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Datalore
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123284?

In JetBrains Datalore prior to version 2026.4, a vulnerability was discovered that allowed view-only collaborators to modify shared content due to improper authorization on workspace moves. This could lead to unauthorized changes in shared documents, potentially compromising the integrity of collaborative work. Users are advised to update to the latest version to mitigate this risk.

Affected Version(s)

Datalore 0 < 2026.4

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.