CVE-2026-100275
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was...
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible
- Record
CVE-2026-100275- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-90019
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible
- Record
EUVD-2026-90019- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fw7c-qpvf-j7qx
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was...
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible
- Record
GHSA-fw7c-qpvf-j7qx- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible
- Record
CVE-2026-100275- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- 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-2026-100275 is a medium vulnerability (CVSS 6.9) in Jetbrains Youtrack, published September 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.