CVE-2026-1232799.0Critical
CVE-2026-123279: JetBrains Datalore vulnerability
JetBrains · Datalore
Fixed in 2026.4 · Affected: JetBrains Datalore before 2026.4 · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.04 (4 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
No EPSS score yet. The score appears once FIRST publishes it.
9.0CriticalCVSS
LowMediumHighCrit.
DescriptionNVD
In JetBrains Datalore before 2026.4 code execution was possible in a notebook's computation by view-only collaborators
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 6 Nov.
- JetBrains patches 61 flaws across developer toolsSecurityOnline · first in our coverage · mentions it in passing
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