CVE-2026-108976

Public on 2026-10-11
Modified on 2026-10-13
Description
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
Important severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core emacs Pending Fix
Amazon Linux 2023 emacs Pending Fix
Amazon Linux 2027 Preview emacs Pending Fix
Amazon Linux 2 - Core emacs-auctex Not Affected
Amazon Linux 2023 emacs-auctex Not Affected
Amazon Linux 2027 Preview emacs-filesystem Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-108976 Mitre: CVE-2026-108976