CVE-2026-123281
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container...
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
- Record
CVE-2026-123281- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-88
- Updated
- 2026-11-06
EUVDEUVD-2026-118046
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
- Record
EUVD-2026-118046- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-96qf-j59p-cg96
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container...
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
- Record
GHSA-96qf-j59p-cg96- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-88
- Updated
- 2026-11-06
NVD
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
- Record
CVE-2026-123281- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-88
- 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-2026-123281 is a high vulnerability (CVSS 7.5) 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 0.36%, the 30th percentile. No source names a fixed version.