{"id":"CVE-2026-108976","title":"GNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp-user-regexp has an incomplete list of disallowed inputs","summary":"GNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp-user-regexp has an incomplete list of disallowed inputs. NOTE: this issue exists because of an incomplete fix for CVE-2026-79992.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-184"],"published":"2026-10-11","updated":"2026-10-11","sourceUpdated":"2026-10-11T21:16:43.580","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108976","references":[{"url":"https://ftp.gnu.org/gnu/tramp/tramp-2.8.2.tar.gz","label":"cve@mitre.org"},{"url":"https://www.openwall.com/lists/oss-security/2026/08/21/1","label":"cve@mitre.org"},{"url":"https://www.openwall.com/lists/oss-security/2026/10/11/1","label":"cve@mitre.org"}],"tags":["nvd"],"ingestedAt":"2026-10-12T14:50:34.069Z","slug":"CVE-2026-108976","body":"## Overview\n\nGNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp-user-regexp has an incomplete list of disallowed inputs. NOTE: this issue exists because of an incomplete fix for CVE-2026-79992.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}