AUGUST 21, 2026
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Case File

CVE-2026-38973

MEDIUM · CVSS 4.4 EPSS 0.16% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-06 · Last synced 2026-08-05

CyberRota Analysis

AI-Generated

An out-of-bounds read vulnerability exists in mrubyc versions up to 3.4.1, specifically within the method lookup functionality of the interpreter. This flaw could potentially lead to information disclosure or application crashes, impacting the stability and security of applications utilizing this runtime. Developers and organizations using mrubyc should prioritize patching or mitigating this vulnerability to safeguard their systems.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-38973
Severity
MEDIUM
CVSS
4.4
EPSS
0.16%

Original NVD Description

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().