AUGUST 15, 2026
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Case File

CVE-2026-67986

HIGH · CVSS 8.4 EPSS 0.19% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-13 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

A vulnerability exists in the F5 product line due to a Ruby code injection flaw in the AwesomeMethodArray#grep implementation, where specially crafted method names can lead to arbitrary code execution through dynamic evaluation. This poses a significant risk as it allows attackers to execute malicious Ruby code within the host process, potentially compromising the application and its data. Organizations utilizing affected F5 products should prioritize patching this vulnerability to mitigate the risk of exploitation.

Public Exploit Signal

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

Detected Signals
exploit code execution

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

CVE
CVE-2026-67986
Severity
HIGH
CVSS
8.4
EPSS
0.19%
F5

Original NVD Description

amazing-print/amazing_print at commit dc890dfafdf07088ea901df53c19c2710e5c5234 contains a Ruby code injection condition in AwesomeMethodArray#grep. A specially named method containing Ruby interpolation syntax can be interpolated into a dynamically constructed eval string when grep is called with a block, resulting in Ruby code execution in the host process. Exploitation requires an application path that allows an attacker to influence dynamic method names.