CVE-2026-123323
HIGHCVSS 8.4/10
Last modified
CVE-2026-123323 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. In JetBrains YouTrack before 2025.3.170763, 2026.1.14150, 2026.2.19656 improper URL validation in the app widget host allowed apps to send REST requests without user confirmation.
Description
In JetBrains YouTrack before 2025.3.170763, 2026.1.14150, 2026.2.19656 improper URL validation in the app widget host allowed apps to send REST requests without user confirmation
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| JetBrains | YouTrack | < 2025.3.170763, 2026.1.14150, 2026.2.19656 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-123323?
In JetBrains YouTrack before 2025.3.170763,
2026.1.14150,
2026.2.19656 improper URL validation in the app widget host allowed apps to send REST requests without user confirmation
How severe is CVE-2026-123323?
CVE-2026-123323 has a CVSS score of 8.4/10 (HIGH severity).
How do I fix CVE-2026-123323?
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-2026-123317In JetBrains Ktor before 3.6.1 session forgery was possible …8.1
- CVE-2026-123318In JetBrains Ktor before 3.6.1 hTTP request smuggling was po…4.8
- CVE-2026-123319In JetBrains Ktor before 3.6.1 missing Domain attribute vali…3.7
- CVE-2026-123320In JetBrains Toolbox App before 3.9 insufficient warning in …3.1
- CVE-2026-123321In JetBrains WebStorm before 2026.3, 2026.2.3 code executio…7.8
- CVE-2026-123322In JetBrains WebStorm before 2026.3, 2026.2.4 code executio…6.3
- CVE-2026-123324In JetBrains YouTrack before 2026.2.19562 information disclo…7.7
- CVE-2026-123325In JetBrains YouTrack before 2025.3.170763, 2026.1.14150, …7.1
- CVE-2026-123326In JetBrains YouTrack before 2026.2.19197 incorrect authoris…7.1
- CVE-2026-123327In JetBrains YouTrack before 2026.2.19562 missing authorizat…7.5
- CVE-2026-123328In JetBrains YouTrack before 2026.2.19656 app permission byp…6.4
- CVE-2026-123329In JetBrains YouTrack before 2026.2.19562 missing authorizat…5.4
Are you affected by CVE-2026-123323?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST