CVE-2026-2657

Name: CVE-2026-2657
Creator: NVD / NIST
Published: 2026-02-18T17:21:40.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2026-2657 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

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

CVSS 4.0

1.9/10

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

EPSS Probability

0.25%

16.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wren	Wren	<= 0.4.0

References

https://github.com/oneafter/0122/blob/main/i1221/reproExploit
https://github.com/wren-lang/wren/Product
https://github.com/wren-lang/wren/issues/1221Exploit, Vendor Advisory
https://vuldb.com/?ctiid.346455Third Party Advisory, VDB Entry
https://vuldb.com/?id.346455Third Party Advisory, VDB Entry
https://vuldb.com/?submit.752791Third Party Advisory, VDB Entry

Timeline

Published: Feb 18, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2657?

How severe is CVE-2026-2657?

CVE-2026-2657 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2657?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2657?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST