{"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"],"vendor":"GNU","product":"Emacs","affected":["Emacs < 31.2"],"published":"2026-10-11","updated":"2026-10-16","sourceUpdated":"2026-10-16T17:25:57.940","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"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-108976.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-108976"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2549383"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-108976"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108976"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00647,"epssPercentile":0.50822,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T16:18:38.501389Z"},"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.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-108976.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}