CVE-2026-123289
MEDIUMCVSS 5.4/10
Last modified
CVE-2026-123289 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files.
Description
In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files
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-2026-123289?
In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files
How severe is CVE-2026-123289?
CVE-2026-123289 has a CVSS score of 5.4/10 (MEDIUM severity).
How do I fix CVE-2026-123289?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-123283In JetBrains Datalore before 2026.4 account takeover was pos…6.8
- CVE-2026-123284In JetBrains Datalore before 2026.4 improper authorisation o…6.5
- CVE-2026-123285In JetBrains Datalore before 2026.3 command execution was po…6.3
- CVE-2026-123286In JetBrains Datalore before 2026.4 improper authorisation a…5.9
- CVE-2026-123287In JetBrains Datalore before 2026.4 private notebook files c…5.9
- CVE-2026-123288In JetBrains Datalore before 2026.4 stored XSS in notebook c…5.4
- CVE-2026-12329Memory safety bug fixed in Thunderbird ESR 140.12. This vuln…5.3
- CVE-2026-123290In JetBrains Datalore before 2026.4 hidden notebook code was…5.3
- CVE-2026-123291In JetBrains Datalore before 2026.4 improper owner validatio…4.3
- CVE-2026-123292In JetBrains Datalore before 2026.4 aPI tokens and sessions …2.7
- CVE-2026-123293In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 code exe…7.8
- CVE-2026-123294In JetBrains Hub before 2026.2.52556 privilege escalation wa…9.6
Are you affected by CVE-2026-123289?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST