CVE-2026-103496
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users'...
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
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
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.4
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
- Record
CVE-2026-103496- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2026-90587
5.4
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
- Record
EUVD-2026-90587- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fqp4-q7xm-47gr
5.4
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users'...
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
- Record
GHSA-fqp4-q7xm-47gr- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
NVD
5.4
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
- Record
CVE-2026-103496- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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-2026-103496 is a medium vulnerability (CVSS 5.4) 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 0.14%, the 3rd percentile. No source names a fixed version.