CVE-2026-123835
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via...
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
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
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
- Record
CVE-2026-123835- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-367
- Updated
- 2026-11-06
EUVDEUVD-2026-118338
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
- Record
EUVD-2026-118338- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-4xrh-853p-mr3w
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via...
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
- Record
GHSA-4xrh-853p-mr3w- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-367
- Updated
- 2026-11-06
NVD
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
- Record
CVE-2026-123835- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-367
- Updated
- 2026-11-06
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references, title | EUVD, GitHub Advisories | |
| cwes, severity | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-123835 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 0.65%, the 51st percentile. No source names a fixed version.