CVE Feed

    Dashboard / CVE / CVE-2026-24061

    CVE-2026-24061

    telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.

    Published:Jan 21, 2026
    Last Modified:Jun 17, 2026
    EPS:Jan 21, 2026
    EPSS Score:0.98871
    CVSS Score:9.8

    CISA Notification

    Description

    telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.

    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.

    Notes:

    No extra notes provided.

    Due Date
    Feb 16, 2026
    207 days ago
    Alert Date
    Jan 26, 2026
    228 days ago

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Gnu
    Product
    Inetutils

    Exploits

    https://www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hours-of-unsolicited-houseguests/index.htmlhttps://www.exploit-db.com/exploits/52524https://github.com/0p5cur/CVE-2026-24061-POChttps://github.com/0x7556/CVE-2026-24061https://github.com/0xAshwesker/CVE-2026-24061https://github.com/0xBlackash/CVE-2026-24061https://github.com/0xXyc/telnet-inetutils-auth-bypass-CVE-2026-24061https://github.com/ahmadsadeeq/TelnetdBypass-https://github.com/akpmarcelin/CVE-2026-24061-labhttps://github.com/Alter-N0X/CVE-2026-24061-POChttps://github.com/androidteacher/CVE-2026-24061-PoC-Telnetdhttps://github.com/anxs3c/CVE-2026-24061-GNU-InetUtils-telnetdhttps://github.com/athack-ctf/chall2026-telnetedhttps://github.com/balgan/CVE-2026-24061https://github.com/BrainBob/CVE-2026-24061https://github.com/BrainBob/Telnet-TestVuln-CVE-2026-24061https://github.com/buzz075/CVE-2026-24061https://github.com/canpilayda/inetutils-telnetd-cve-2026-24061https://github.com/Chocapikk/CVE-2026-24061https://github.com/cumakurt/tscanhttps://github.com/dotelpenguin/telnetd_CVE-2026-24061_testerhttps://github.com/duy-31/CVE-2026-24061---telnetdhttps://github.com/ekomsSavior/telnet_scanhttps://github.com/franckferman/CVE-2026-24061https://github.com/franckferman/CVE_2026_24061_PoChttps://github.com/FurkanKAYAPINAR/CVE-2026-24061-telnet2roothttps://github.com/Gabs-hub/CVE-2026-24061_Labhttps://github.com/h3athen/CVE-2026-24061https://github.com/harygovind/CVE-2026-24061https://github.com/HD0x01/CVE-2026-24061-NSEhttps://github.com/hilwa24/CVE-2026-24061https://github.com/ibrahmsql/CVE-2026-24061-PoChttps://github.com/iLokaas/CVE-2026-24061-payloadhttps://github.com/infat0x/CVE-2026-24061https://github.com/Ish3ng0m4/CVE-2026-24061-Telnetdhttps://github.com/jacubes/CVE-2026-24061https://github.com/JakeSwiz/telnet-inetutils-auth-bypass-CVE-2026-24061https://github.com/JayGLXR/CVE-2026-24061-POChttps://github.com/K3ysTr0K3R/CVE-2026-24061https://github.com/killsystema/scan-cve-2026-24061https://github.com/kyukazamiqq/CVE-2026-24061https://github.com/lavabyte/telnet-CVE-2026-24061https://github.com/leonjza/inetutils-telnetd-auth-bypasshttps://github.com/Lingzesec/CVE-2026-24061-GUIhttps://github.com/LucasPDiniz/CVE-2026-24061https://github.com/madfxr/Twenty-Three-Scannerhttps://github.com/mbanyamer/CVE-2026-24061-GNU-Inetutils-telnetd-Remote-Authentication-Bypass-Root-Shell-https://github.com/Mefhika120/Ashwesker-CVE-2026-24061https://github.com/midox008/CVE-2026-24061https://github.com/monstertsl/CVE-2026-24061https://github.com/Mr-Zapi/CVE-2026-24061https://github.com/ms0x08-dev/CVE-2026-24061-POChttps://github.com/MY0723/GNU-Inetutils-telnet-CVE-2026-24061-https://github.com/novitahk/Exploit-CVE-2026-24061https://github.com/nrnw/CVE-2026-24061-GNU-inetutils-Telnet-Detectorhttps://github.com/obrunolima1910/CVE-2026-24061https://github.com/Parad0x7e/CVE-2026-24061https://github.com/parameciumzhang/Tell-Me-Roothttps://github.com/przemytn/CVE-2026-24061https://github.com/punitdarji/telnetd-cve-2026-24061https://github.com/r00tuser111/CVE-2026-24061https://github.com/Remnant-DB/CVE-2026-24061https://github.com/SafeBreach-Labs/CVE-2026-24061https://github.com/scumfrog/cve-2026-24061https://github.com/SeptembersEND/CVE--2026-24061https://github.com/setuju/telnetdhttps://github.com/sh4den/CVE-2026-24061https://github.com/shivam-bathla/CVE-2026-24061-setuphttps://github.com/stoerti2/Abyssalhttps://github.com/s-vx/CVE-2026-24061https://github.com/SystemVll/CVE-2026-24061https://github.com/tc4dy/CVE-2026-24061-PoC-Exploithttps://github.com/tiborscholtz/CVE-2026-24061https://github.com/TryA9ain/CVE-2026-24061https://github.com/typeconfused/CVE-2026-24061https://github.com/X-croot/CVE-2026-24061_POChttps://github.com/XsanFlip/CVE-2026-24061-Scannerhttps://github.com/xuemian168/CVE-2026-24061https://github.com/yanxinwu946/CVE-2026-24061--telnetdhttps://github.com/z3n70/CVE-2026-24061

    Related CVEs

    CVE-2026-77118 (CVSS 8.4) — A heap out-of-bounds write exists in the Photo CD (PCD) decoder of GraphicsMagick. In DecodeImage() (coders/pc…
    CVE-2026-56968 (CVSS 3.7) — GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, w…
    CVE-2026-49975 (CVSS 7.5) — Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of …
    CVE-2026-9256 (CVSS 9.2) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerabilit…
    CVE-2026-31431 (CVSS 7.8) — In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating …
    CVE-2026-34757 (CVSS 5.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-4775 (CVSS 7.8) — A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerabili…
    CVE-2025-63261 (CVSS 7.8) — AWStats 8.0 is vulnerable to Command Injection via the open function…
    CVE-2026-3497 (CVSS 6.9) — Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects …
    CVE-2026-1940 (CVSS 5.1) — An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The p…

    References

    https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc
    https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b
    https://lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.html
    https://www.gnu.org/software/inetutils/
    https://www.openwall.com/lists/oss-security/2026/01/20/2
    https://www.openwall.com/lists/oss-security/2026/01/20/8
    https://www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-authentication-bypass-in-gnu-inetutils-package
    https://www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-authentication-bypass-in-gnu-inetutils-package
    http://www.openwall.com/lists/oss-security/2026/01/22/1
    https://lists.debian.org/debian-lts-announce/2026/01/msg00025.html
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24061
    https://www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hours-of-unsolicited-houseguests/index.html
    https://www.openwall.com/lists/oss-security/2026/01/20/2#:~:[email protected]%3A~%20USER='

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High