Disclosure summary
In JetBrains YouTrack before 2026.2.18991 stored HTML injection via the User-Agent header was possible
Source-reported weakness categories
CWE-79
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-100263
Open original source · Updated Oct 02, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| jetbrains | youtrack | * {"versionEndExcluding":"2026.2.18991"} |
Original records & references
- NIST NVD record
- CVE Program record
- www.jetbrains.com — Vendor Advisory
PUBLISHED 2026-09-30T12:16:57-04:00
MODIFIED 2026-10-02T16:23:31-04:00
INGESTED 2026-10-06T11:44:58-04:00