CVE-2026-86541

knowns versions before 0.30.0 contain a path traversal vulnerability in the handleCodeReplace() function that allows attackers to overwrite arbitrary files outside the project root. Attackers can supply absolute paths or relative paths containing directory traversal sequences to write malicious content to sensitive files like shell startup scripts or SSH configuration files.

  • Published Sep 7, 2026
  • CVSS 7.2 high
  • 0.8% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-86541 at the National Vulnerability Database