CVE-2026-59791
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
- Record
CVE-2026-59791- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-1021
- Updated
- 2026-11-02
EUVDEUVD-2026-42909
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
- Record
EUVD-2026-42909- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mpf8-m2c9-vcf7
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
- Record
GHSA-mpf8-m2c9-vcf7- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-1021
- Updated
- 2026-11-02
NVD
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
- Record
CVE-2026-59791- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-1021
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-59791 is a low vulnerability (CVSS 3.5) in Jetbrains Youtrack, published July 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.