Is CVE-2026-2657 actively exploited?

CVE-2026-2657 has no public evidence of in-the-wild exploitation as of 2026-04-29.

What is the CVSS score for CVE-2026-2657?

CVE-2026-2657 has a CVSS score of 1.9 (LOW severity). Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2026-2657?

Patch guidance is available from wren security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-2657.

CVE-2026-2657 - remediation guidance & executive summary

Description

A vulnerability has been found in wren-lang wren up to 0.4.0. This impacts the function printError of the file src/vm/wren_compiler.c of the component Error Message Handler. Such manipulation leads to stack-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS Metrics

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-119 · Memory Buffer Errors CWE-121

Metadata

Primary Vendor: WREN
Published: 2/18/2026
Last Modified: 4/29/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

wren : wren

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-2657. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-2657

View on NIST NVD

CVE-2026-2657 vulnerability