PatchTheCVECVE-2026-75048: In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible
35
Routine
HIGH 8.2UPGRADE
CVE-2026-75048 is a high-severity flaw (CVSS 8.2) affecting youtrack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-08-17 |
| Last modified | 2026-10-23 |
Publisher (CNA): JetBrains s.r.o. · Vendor: jetbrains
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
jetbrains youtrack UPGRADE
Affected: < 2026.2.18068
Fixed in: 2026.2.18068
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy youtrack || rpm -q youtrack || youtrack --version
2. UPGRADE to 2026.2.18068 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade youtrack
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade youtrack
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Exact fixes by distribution
Fedora 46 · wasmedge · FIXED · 0.18.1-1.fc46 · FEDORA-2026-4c27216e39 · source
sudo dnf upgrade --advisory=FEDORA-2026-4c27216e39
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-75050 HIGH 7.1 UPGRADE In JetBrains YouTrack before 2026.1.13901, 2026.2.17950 doS attack was possible via crafted type parameters
- CVE-2026-75051 HIGH 8.1 UPGRADE In JetBrains YouTrack before 2026.2.17917 unauthorised project transfer between organisations was possible
- CVE-2026-75049 MEDIUM 6.5 UPGRADE In JetBrains YouTrack before 2026.1.13903, 2026.2.17950 an authenticated user could read restricted articles