CVE-2026-59791
LOWCVSS 3.5/10EPSS 0.23%
Last modified
CVE-2026-59791 is a low-severity vulnerability rated 3.5/10 on the CVSS scale. In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jetbrains | Youtrack | < 2026.2.17012 |
References
- https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-59791?
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
How severe is CVE-2026-59791?
CVE-2026-59791 has a CVSS score of 3.5/10 (LOW severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2026-59791?
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
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
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Are you affected by CVE-2026-59791?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST