Authorization bypass in JetBrains YouTrack
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
In JetBrains YouTrack before 2026.2.19197 missing authorisation in the notification template preview allowed Project Administrators to read restricted issues
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA YouTrack (JetBrains) Fixed in 2026.2.19197
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
JetBrains YouTrack 2026.2.19197
14 records Highest priority Priority MEDIUM 2 MEDIUM, 12 LOW
Other records, highest priority first
- TI-2026-64618 In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signaturePriority MEDIUM 43
- TI-2026-64614 In JetBrains YouTrack before 2026.2.19197 authorisation bypass in the scripts debugger allowed arbitrary code executionPriority MEDIUM 43
- TI-2026-64609 Authorization bypass in JetBrains YouTrackPriority LOW 33
Timeline
- 2026-10-02 Threatist record created from CVE-2026-100272
- 2026-10-03 Alias added: GHSA-gcpx-g9ch-mv7r
References
More JetBrains Youtrack vulnerabilities
- TI-2026-44538 Missing authentication in JetBrains YouTrack CVSS 3.1CRITICAL 10.0
- TI-2022-08314 JetBrains YouTrack before 2021.4.40426 was vulnerable to SSTI (Server-Side Template Injection) via FreeMarker templates. CVSS 3.1CRITICAL 9.8
- TI-2026-52731 Authentication bypass in JetBrains YouTrack CVSS 3.1CRITICAL 9.1
- TI-2021-07854 In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was… CVSS 3.1CRITICAL 9.8
- TI-2021-19197 JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection. CVSS 3.1CRITICAL 9.8
- TI-2019-09636 Certain actions could cause privilege escalation for issue attachments in JetBrains… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2026-100272 · CVE Program
- CVE-2026-100272 · NVD
- FIRST EPSS
- GHSA-gcpx-g9ch-mv7r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences