CVE-2026-2657

LOW 3.3

wren-lang wren Error Message wren_compiler.c printError stack-based overflow

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	wren-lang
Product	wren
Published	Feb 18, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

wren-lang / wren

0.1 0.2 0.3 0.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.346455 vuldb.com: https://vuldb.com/?ctiid.346455 vuldb.com: https://vuldb.com/?submit.752791 github.com: https://github.com/wren-lang/wren/issues/1221 github.com: https://github.com/oneafter/0122/blob/main/i1221/repro github.com: https://github.com/wren-lang/wren/

Credits

🔍 Oneafter (VulDB User)