CVE-2026-123290 json
In JetBrains Datalore before 2026.4 hidden notebook code was exposed to unauthenticated users via the public interactive report content end…
published 2026-11-06 3 d ago modified 2026-11-06 2 d ago also EUVD-2026-118055
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
In JetBrains Datalore before 2026.4 hidden notebook code was exposed to unauthenticated users via the public interactive report content endpoint
Patch / fix
- JetBrains Datalore 2026.4
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3 d ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- JetBrains Datalore
Classification
- Weakness
-
- CWE-201 Insertion of Sensitive Information Into Sent Data
References
Sources
- CVE List CVE-2026-123290
- NVD CVE-2026-123290
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.