CVE-2026-103491
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading...
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
- Record
CVE-2026-103491- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2026-90582
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
- Record
EUVD-2026-90582- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cxjv-qhfq-qm94
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading...
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
- Record
GHSA-cxjv-qhfq-qm94- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
NVD
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
- Record
CVE-2026-103491- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-639
- 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-2026-103491 is a medium vulnerability (CVSS 6.5) in Jetbrains Youtrack, published October 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.