Disclosure summary
GNU InetUtils contains an argument injection vulnerability in telnetd that could allow for remote authentication bypass via a "-f root" value for the USER environment variable.
CISA remediation guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Original records & references
PUBLISHED 2026-01-26T00:00:00-05:00
MODIFIED 2026-01-26T00:00:00-05:00
INGESTED 2026-10-06T11:42:57-04:00