Vulnerability Details CVE-2026-123281
In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 36.0%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-123281
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cpe:2.3:a:jetbrains:datalore:2022.3.1
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cpe:2.3:a:jetbrains:datalore:2023.1
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cpe:2.3:a:jetbrains:datalore:2023.2
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cpe:2.3:a:jetbrains:datalore:2023.3
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cpe:2.3:a:jetbrains:datalore:2023.3.1
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cpe:2.3:a:jetbrains:datalore:2023.4
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cpe:2.3:a:jetbrains:datalore:2023.5
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cpe:2.3:a:jetbrains:datalore:2023.5.1
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cpe:2.3:a:jetbrains:datalore:2023.6
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cpe:2.3:a:jetbrains:datalore:2024.1
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cpe:2.3:a:jetbrains:datalore:2024.2
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cpe:2.3:a:jetbrains:datalore:2024.2.1
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cpe:2.3:a:jetbrains:datalore:2024.2.2
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cpe:2.3:a:jetbrains:datalore:2024.2.3
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cpe:2.3:a:jetbrains:datalore:2024.3
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cpe:2.3:a:jetbrains:datalore:2024.4
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cpe:2.3:a:jetbrains:datalore:2024.4.1
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cpe:2.3:a:jetbrains:datalore:2024.5
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cpe:2.3:a:jetbrains:datalore:2024.5.1
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cpe:2.3:a:jetbrains:datalore:2025.1
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cpe:2.3:a:jetbrains:datalore:2025.2
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cpe:2.3:a:jetbrains:datalore:2025.3
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cpe:2.3:a:jetbrains:datalore:2025.3.1
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cpe:2.3:a:jetbrains:datalore:2025.4
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cpe:2.3:a:jetbrains:datalore:2025.4.1
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cpe:2.3:a:jetbrains:datalore:2025.5
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cpe:2.3:a:jetbrains:datalore:2025.5.1
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cpe:2.3:a:jetbrains:datalore:2025.6
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cpe:2.3:a:jetbrains:datalore:2025.6.1
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cpe:2.3:a:jetbrains:datalore:2025.6.2
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cpe:2.3:a:jetbrains:datalore:2026.1
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cpe:2.3:a:jetbrains:datalore:2026.1.1
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cpe:2.3:a:jetbrains:datalore:2026.2
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cpe:2.3:a:jetbrains:datalore:2026.2.1
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cpe:2.3:a:jetbrains:datalore:2026.2.2
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cpe:2.3:a:jetbrains:datalore:2026.2.3
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cpe:2.3:a:jetbrains:datalore:2026.2.4
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cpe:2.3:a:jetbrains:datalore:2026.3