Pycharm
CVE-2019-14958
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource allocation limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could exhaust system resources through uncontrolled allocation by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
JetBrains PyCharm before 2019.2 was allocating a buffer of unknown size for one of the connection processes. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. JetBrains PyCharm before 2019.2 was allocating a buffer of unknown size for one of the connection processes. In a very specific situation, it could lead to a remote invocation of an OOM error message because of Uncontrolled Memory Allocation. Affected products include: Jetbrains Pycharm. Version information: before 2019.2.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
JetBrains PyCharm before 2019.2 was allocating a buffer of unknown size for one of the connection processes. In a very specific situation, it could lead to a remote invocation of an OOM error message because of Uncontrolled Memory Allocation.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
In JetBrains PyCharm 2019.2.5 and 2019.3 on Windows, Apple Notarization Service credentials were included. Rated high se
Arbitrary code execution in JetBrains PyCharm before 2026.1.4 and 2026.2 lets an attacker who supplies a crafted project
Code execution in JetBrains PyCharm before 2026.2.1 is possible through Jupyter MCP (Model Context Protocol) tools that
In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible [CVSS 8.2 HIGH]
The embedded browser in JetBrains desktop IDEs - IntelliJ IDEA, PyCharm, PhpStorm, RubyMine, WebStorm, GoLand, Rider, CL
In JetBrains PyCharm before 2020.3.4, local code execution was possible because of insufficient checks when getting the
In JetBrains Rider before 2022.1 local code execution via links in ReSharper Quick Documentation was possible. Rated hig
GitHub access token could be exposed to third-party sites in JetBrains IDEs after version 2023.1 and less than: IntelliJ
Stored XSS in JetBrains PyCharm's Jupyter notebook Markdown cell renderer allows a remote, unauthenticated attacker to e
Cross-site scripting in JetBrains PyCharm's Quick Documentation rendering feature (before version 2026.2.1) enables code
In JetBrains PyCharm before 2022.1 exposure of the debugger port to the internal network was possible. Rated low severit
GitHub PoC
Exploit-DB