CVE-2026-79992Emacs: emacs: command injection via crafted filenames in tramp
Updated under an hour ago ()
Does this affect you?
It affects Red Hat Enterprise Linux 10. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux | from 1:29.4-14.el10_2.3 not affected | CNA record |
References
- https://access.redhat.com/errata/RHSA-2026:80506vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:80507vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:84591vendor-advisory, x-refsource-redhat
- https://access.redhat.com/security/cve/CVE-2026-79992vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2523665issue-tracking, x-refsource-redhat
- http://www.openwall.com/lists/oss-security/2026/08/26/15
- http://www.openwall.com/lists/oss-security/2026/10/11/1
- http://www.openwall.com/lists/oss-security/2026/10/14/4
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.