Critical severity9.8CISA KEVNVD Advisory· Published Jan 21, 2026· Updated Jun 17, 2026
CVE-2026-24061
CVE-2026-24061
Description
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4Patches
Vulnerability mechanics
References
13- codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32ccnvdPatch
- codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7bnvdPatch
- www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hours-of-unsolicited-houseguests/index.htmlnvdExploitThird Party Advisory
- lists.debian.org/debian-lts-announce/2026/01/msg00025.htmlnvdMailing ListThird Party Advisory
- lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.htmlnvdMitigationVendor Advisory
- www.openwall.com/lists/oss-security/2026/01/20/2nvdMailing ListThird Party Advisory
- www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-authentication-bypass-in-gnu-inetutils-packagenvdThird Party Advisory
- www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-authentication-bypass-in-gnu-inetutils-packagenvdMitigationThird Party Advisory
- www.openwall.com/lists/oss-security/2026/01/22/1nvdMailing List
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
- www.gnu.org/software/inetutils/nvdProduct
- www.openwall.com/lists/oss-security/2026/01/20/2nvdMailing List
- www.openwall.com/lists/oss-security/2026/01/20/8nvdMailing List