CVE-2026-24061
critical · 9.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added 2026-01-26Remediation due 2026-02-16
A public exploit / detection template exists
Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
9.8
CVSS
98.1%
EPSS (exploit prob.)
100th
EPSS percentile
2026-01-21
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-88
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| gnu | inetutils | >= 1.9.3, <= 2.7 |
| debian | debian_linux | 11.0 |
Check a specific version with /api/v1/cve/match.
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='
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-24061