CVE-2026-111093: CWE-23 in JetBrains Datalore
Description
In JetBrains Datalore before 2026.2.1 unauthenticated path traversal via the report blob endpoint allowed reading arbitrary files
CVSS v3.1
Score 7.5high
Affected software
JetBrains
Datalore
pkg:github/jetbrains/DataloreRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-111093 is a path traversal vulnerability in JetBrains Datalore prior to version 2026.2.1. The issue exists in the report blob endpoint, which improperly validates input paths, allowing unauthenticated attackers to read arbitrary files on the server. This vulnerability is classified under CWE-23 (Relative Path Traversal) and has a CVSS 3.1 base score of 7.5, indicating high severity due to its network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability impacts confidentiality but not integrity or availability.
Potential Impact
An unauthenticated attacker can exploit this vulnerability to read arbitrary files on the affected system, potentially exposing sensitive or confidential information. There is no impact on integrity or availability reported. This could lead to information disclosure risks depending on the files accessed.
Mitigation Recommendations
Upgrade JetBrains Datalore to version 2026.2.1 or later, where this vulnerability is fixed. Since this is not a cloud service, users must apply the patch themselves. Patch status is confirmed by the affectedVersions data indicating the fix in 2026.2.1. No other mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-10-15T15:20:41.073Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad0f5fd2cdf04f65641fe0d
Added to database: 10/15/2026, 15:49:17 UTC
Last enriched: 10/15/2026, 16:03:56 UTC
Last updated: 10/15/2026, 19:00:27 UTC
Views: 9
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