CVE-2026-2657 describes a stack-based buffer overflow vulnerability in the printError function within the Error Message Handler component of wren-lang wren up to version 0.4.0. This flaw, located in src/vm/wren_compiler.c, can be triggered locally. Rated as Medium severity (CVSS 5.5), the vulnerability requires local access and low privileges, with no user interaction needed for a successful attack, leading to high availability impact. There is no impact on confidentiality or integrity. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there known Metasploit, Nuclei, or ExploitDB modules. The vulnerability has received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.4.0CPE matchmatch criteria | cpe:2.3:a:wren:wren:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.