CVE-2026-103496 json
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
published 2026-10-01 39 d ago modified 2026-10-01 39 d ago also EUVD-2026-90587
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
In JetBrains YouTrack before 2026.2.19422 iDOR in inbox threads allowed reading other users' notifications
Patch / fix
- JetBrains YouTrack 2026.2.19422
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 39 d ago
Exploit prediction
0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
Affected products
- JetBrains YouTrack
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
jetbrains.com
/privacy-security/issues-fixed/
vendor-advisory
Sources
- CVE List CVE-2026-103496
- NVD CVE-2026-103496
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.