7.8
High
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…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Emacs 31.2 | earliest → < 31.2 | 31.2 |
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