CVE-2026-123287
In JetBrains Datalore before 2026.4 private notebook files could be downloaded without...
In JetBrains Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- 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 Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports
- Record
CVE-2026-123287- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-06
EUVDEUVD-2026-118052
In JetBrains Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports
- Record
EUVD-2026-118052- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-9xgf-fr3w-jgmq
In JetBrains Datalore before 2026.4 private notebook files could be downloaded without...
In JetBrains Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports
- Record
GHSA-9xgf-fr3w-jgmq- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-06
NVD
In JetBrains Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports
- Record
CVE-2026-123287- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references, title | GitHub Advisories | |
| cwes, severity | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-123287 is a medium vulnerability (CVSS 5.9) in Jetbrains Datalore, published November 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.