CVE-2026-2657 : faille moyenne wren wren (CVSS 5.5)

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.

Sévérité

Moyenne (CVSS 5.5)

Vecteur CVSS

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation active

Non signalée par la CISA

Publication

18 févr. 2026

Dernière mise à jour

17 juin 2026

• wren wren

• Fiche CVE-2026-2657 sur le NVD (NIST)
• github.com/oneafter/0122/blob/main/i1221/repro
• github.com/wren-lang/wren/
• github.com/wren-lang/wren/issues/1221
• vuldb.com/
• vuldb.com/
• vuldb.com/