{"id":"CVE-2026-79992","title":"A flaw was found in Emacs TRAMP","summary":"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 …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"Red Hat","product":"emacs","affected":["emacs (all versions)","emacs (all versions)","emacs (all versions)","emacs (all versions)","emacs (all versions)"],"published":"2026-08-25","updated":"2026-10-14","sourceUpdated":"2026-10-14T17:19:12.030","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79992","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:80506","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:80507","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-79992","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2523665","label":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2026/08/26/15","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/11/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/14/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2026:84591","label":"RHSA-2026:84591"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79992.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79992"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79992"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00219,"epssPercentile":0.12363,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-08-25T17:32:22.093371Z"},"ingestedAt":"2026-09-24T20:51:40.352Z","patched":["enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_8","enterprise_linux_appstream_v_9","enterprise_linux_baseos_v_10","enterprise_linux_baseos_v_8"],"slug":"CVE-2026-79992","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:84591** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-10-19 · [advisory](https://access.redhat.com/errata/RHSA-2026:84591)\n- **RHSA-2026:80506** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux BaseOS (v. 8) · released 2026-10-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:80506)\n- **RHSA-2026:80507** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-10-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:80507)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · updated 2026-10-19 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79992.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}