PatchTheCVECVE-2026-2657: A vulnerability has been found in wren-lang wren up to 0.4.0
CVE-2026-2657 is a low-severity flaw (CVSS 3.3) affecting wren. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-2657?
wren: upgrade to newer than 0.4.0. Exact commands for each OS are on this page.
Is CVE-2026-2657 being exploited?
CVE-2026-2657 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-2657 affect?
CVE-2026-2657 affects wren. Severity is low (CVSS 3.3). 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
How urgent is CVE-2026-2657?
Priority 22/100. Public exploit reference
Related CVEs
- CVE-2026-2858 LOW 3.3 UPGRADE A vulnerability was identified in wren-lang wren up to 0.4.0