{"schema":"threatline.record/2","record":{"id":"CVE-2026-24061","aliases":[],"summary":"GNU InetUtils Argument Injection Vulnerability","details":"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.","categories":["Unclassified"],"product":"InetUtils","vendor":"GNU","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-24061","source_modified_at":"2026-09-29T19:43:14.235Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Inetutils","vendor":"GNU","versions":[{"lessThanOrEqual":"2.7","status":"affected","version":"1.9.3","versionType":"custom"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2026-01-26","due_date":"2026-02-16","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.98984,"percentile":0.99931,"score_date":"2026-10-23"},"published_at":"2026-01-21T06:42:17.134Z","modified_at":"2026-09-29T19:43:14.235Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-24061","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-09-29T19:43:14.235Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/telnet/gnu_inetutils_auth_bypass.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-01-26"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/52524","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-04-29"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-24061","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","EPSS"],"references":[{"source":"CVE List","url":"https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc"},{"source":"CVE List","url":"https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24061","source":"CISA KEV"},{"source":"CVE List","url":"https://www.openwall.com/lists/oss-security/2026/01/20/2"},{"source":"CVE List","url":"https://www.openwall.com/lists/oss-security/2026/01/20/8"},{"source":"CVE List","url":"https://www.gnu.org/software/inetutils/"},{"source":"CVE List","url":"https://lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.html"},{"source":"CVE List","url":"https://www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-authentication-bypass-in-gnu-inetutils-package"},{"source":"CVE List","url":"https://www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-authentication-bypass-in-gnu-inetutils-package"},{"source":"CVE List","url":"https://redteam.ae/blog/cve-2026-24061-inetutils-telnetd-root-bypass"},{"source":"CVE List","url":"https://www.openwall.com/lists/oss-security/2026/01/20/2#:~:text=root@...a%3A~%20USER='","tags":["exploit"]},{"source":"CVE List","url":"https://www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hours-of-unsolicited-houseguests/index.html","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24061","tags":["government-resource"]},{"source":"CVE List","url":"https://lists.debian.org/debian-lts-announce/2026/01/msg00025.html"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2026-01-27T04:55:30.344896Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"GNU Inetutils Telnet Authentication Bypass Exploit CVE-2026-24061","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/telnet/gnu_inetutils_auth_bypass.rb","date":"2026-01-26","added":"2026-06-02","check":false},{"source":"Exploit-DB","kind":"Local exploit","name":"GNU InetUtils 2.6 - Telnetd Remote Privilege Escalation","url":"https://www.exploit-db.com/exploits/52524","date":"2026-04-29","added":"2026-04-29","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-29T19:43:14.235Z","content_hash":"a0a082216f03ba82e2bc0ee2688f634d8d21c6fac0698b322512257b9ac3fb1f"}}