CVE-2026-108976: 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.

Overview

Severity
High (CVSS 7.8)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Oct
Released
2026-10-13
EPSS Score
0.51% (percentile: 41.5%)

Affected Products (1)

Other

  • 21861-17084

Revision History

  • 2026-10-13: Information published.