CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.3. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
exploit
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-42420
Severity
MEDIUM
CVSS
4.3
EPSS
0.30%
Original NVD Description
OpenClaw before 2026.4.8 contains improper input validation in base64 decode paths that allocate memory before enforcing decoded-size limits. Attackers can exploit multiple code paths to cause memory exhaustion or denial of service through crafted base64-encoded input.
Related CVEs
Other vulnerabilities affecting the same vendor(s)