Description
A flaw was found in Emacs TRAMP. A local attacker could exploit this vulnerability by processing maliciously crafted filenames. This occurs because TRAMP concatenates login arguments without proper sanitization, which are then passed to a local shell. Successful exploitation could lead to arbitrary code execution.
Published: 2026-08-25
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Workaround

Users of Emacs TRAMP should avoid processing untrusted filenames or interacting with remote systems that may contain maliciously crafted file names. This operational control reduces the risk of local shell command injection.

Tracking

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Advisories

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History

Wed, 26 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Tue, 25 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 25 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in Emacs TRAMP. A local attacker could exploit this vulnerability by processing maliciously crafted filenames. This occurs because TRAMP concatenates login arguments without proper sanitization, which are then passed to a local shell. Successful exploitation could lead to arbitrary code execution.
Title Emacs: local shell command injection through the user field in emacs tramp
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-78
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-08-25T17:44:28.008Z

Reserved: 2026-08-25T16:39:44.534Z

Link: CVE-2026-79992

cve-icon Vulnrichment

Updated: 2026-08-25T17:38:56.201Z

cve-icon NVD

Status : Received

Published: 2026-08-25T18:18:06.973

Modified: 2026-08-25T18:18:06.973

Link: CVE-2026-79992

cve-icon Redhat

Severity : Important

Publid Date: 2026-08-21T00:00:00Z

Links: CVE-2026-79992 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-25T21:00:04Z

Weaknesses