VULNERABILITY INTELLIGENCE
CVE-2026-82018
CVSS score6.1 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-09-24
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
IGEL OS 12 before 12.9.0, 12.8.3 LTS and IGEL OS 11 before 11.11.150 contain a secure boot bypass vulnerability in the GRUB boot stage that allows physically present attackers to gain unauthorized root access by placing an unsigned empty file named igel.conf on a partition. Attackers can exploit GRUB's fail-open signature verification behavior to drop into an interactive GRUB prompt, then boot the device's own kernel with additional command-line arguments to obtain a root shell with the disk unlocked while leaving TPM PCR values unaltered.
Weakness classification
- disclosure@vulncheck.com: CWE-636