Bug 2549383 (CVE-2026-108976) - CVE-2026-108976 emacs: zero-click local command execution via TRAMP
Summary: CVE-2026-108976 emacs: zero-click local command execution via TRAMP
Keywords:
Status: NEW
Alias: CVE-2026-108976
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2550985
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-11 20:21 UTC by OSIDB Bzimport
Modified: 2026-10-13 19:47 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-10-11 20:21:25 UTC 
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.
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