Description
A vulnerability was identified in wren-lang wren up to 0.4.0. This affects the function peekChar of the file src/vm/wren_compiler.c of the component Source File Parser. Such manipulation leads to out-of-bounds read. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
INFO
Published Date :
2026-02-20T21:32:08.945Z
Last Modified :
2026-02-24T14:50:28.182Z
Source :
VulDB
AFFECTED PRODUCTS
The following products are affected by CVE-2026-2858 vulnerability.
| Vendors | Products |
|---|---|
| Wren |
|
| Wren-lang |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2858.
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
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Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
Access Complexity
Authentication
Confidentiality Impact
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Availability Impact