AUGUST 25, 2026
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Case File

CVE-2026-38976

HIGH · CVSS 7.5 EPSS 0.45% Public Exploit

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

CyberRota Analysis

AI-Generated

The vulnerability in mrubyc versions up to 3.4.1 allows for a NULL pointer dereference in the op_super() function, which can lead to application crashes or potential denial of service. Organizations using mrubyc for Ruby programming should prioritize patching this issue to mitigate risks associated with application stability and availability.

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-2026-38976
Severity
HIGH
CVSS
7.5
EPSS
0.45%

Original NVD Description

mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in op_super() / OP_SUPER due to a missing runtime guard for top-level super.