CVE-2026-123291
MEDIUMCVSS 4.3/10
Last modified
CVE-2026-123291 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook.
Description
In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| JetBrains | Datalore | < 2026.4 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-123291?
In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook
How severe is CVE-2026-123291?
CVE-2026-123291 has a CVSS score of 4.3/10 (MEDIUM severity).
How do I fix CVE-2026-123291?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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Are you affected by CVE-2026-123291?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST