CVE-2026-123307
MEDIUMCVSS 6.8/10
Last modified
CVE-2026-123307 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 unauthenticated connection to an arbitrary host via run configurations was possible.
Description
In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 unauthenticated connection to an arbitrary host via run configurations was possible
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| JetBrains | IntelliJ IDEA | < 2026.3, 2026.2.4 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-123307?
In JetBrains IntelliJ IDEA before 2026.3,
2026.2.4 unauthenticated connection to an arbitrary host via run configurations was possible
How severe is CVE-2026-123307?
CVE-2026-123307 has a CVSS score of 6.8/10 (MEDIUM severity).
How do I fix CVE-2026-123307?
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.
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Are you affected by CVE-2026-123307?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST