# CVE-2026-103489: In JetBrains YouTrack before 2026.2.19422 hTML injection in VCS command failure notifications was possible

Source: https://junglewise.ai/threats/cve-2026-103489-in-jetbrains-youtrack-before-2026-2-19422-html-injection-in-vcs  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-01  
License: CC BY 4.0 with a link back

CVE-2026-103489 · Severity: low · CVSS 2 · Published 2026-10-01

In JetBrains YouTrack before 2026.2.19422 hTML injection in VCS command failure notifications was possible

Technologies: [Jetbrains YouTrack](https://junglewise.ai/threats/technologies/youtrack). Vendors: [Jetbrains](https://junglewise.ai/threats/vendors/jetbrains).

## Quick answers

**Is CVE-2026-103489 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-103489 being exploited in the wild.

**How severe is CVE-2026-103489?** Low severity, with a CVSS score of 2, published 1 October 2026.

**Which products and versions are affected?** Jetbrains YouTrack. The advisory does not name versions.

**Is there a fix for CVE-2026-103489?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-103489?** Check whether you run Jetbrains YouTrack. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Jetbrains YouTrack

## Related threats

- [JetBrains YouTrack missing authorization in VCS hosting configuration](https://junglewise.ai/threats/cve-2026-123332-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization)
- [JetBrains YouTrack article visibility restriction bypass](https://junglewise.ai/threats/cve-2026-123331-in-jetbrains-youtrack-before-2026-2-19197-article-editors-could)
- [JetBrains YouTrack missing authorization in issue visibility settings](https://junglewise.ai/threats/cve-2026-123330-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization)
- [JetBrains YouTrack missing authorization in TeamCity integration](https://junglewise.ai/threats/cve-2026-123329-in-jetbrains-youtrack-before-2026-2-19562-missing-authorization)
- [JetBrains YouTrack app permission bypass privilege escalation](https://junglewise.ai/threats/cve-2026-123328-in-jetbrains-youtrack-before-2026-2-19656-app-permission-bypass)