CVE-2026-123288
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
- Record
CVE-2026-123288- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-06
EUVDEUVD-2026-118053
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
- Record
EUVD-2026-118053- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-qc6c-q4pq-5q42
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
- Record
GHSA-qc6c-q4pq-5q42- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-06
NVD
In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
- Record
CVE-2026-123288- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | CVE List, 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-2026-123288 is a medium vulnerability (CVSS 5.4) 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 0.58%, the 48th percentile. No source names a fixed version.