CVE-2026-79992— Emacs: emacs: command injection via crafted filenames in tramp
Quick assessment
Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
emacs TRAMP是emacs团队的一个支持多协议远程文件访问的编辑组件。 emacs TRAMP存在命令注入漏洞，该漏洞源于TRAMP未正确清理登录参数即拼接并传递给本地shell，可能导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | any |
affected |
| Red Hat | Red Hat Enterprise Linux 6 | any |
affected |
| Red Hat | Red Hat Enterprise Linux 7 | any |
affected |
| Red Hat | Red Hat Enterprise Linux 8 | any |
affected |
| Red Hat | Red Hat Enterprise Linux 9 | any |
affected |
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I. Basic Information for CVE-2026-79992
Vulnerability Information
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Vulnerability Title
Emacs: emacs: command injection via crafted filenames in tramp
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
emacs TRAMP 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
emacs TRAMP是emacs团队的一个支持多协议远程文件访问的编辑组件。 emacs TRAMP存在命令注入漏洞，该漏洞源于TRAMP未正确清理登录参数即拼接并传递给本地shell，可能导致任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 | - |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 | - |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 | - |
cpe:/o:redhat:enterprise_linux:9
|
|
II. Public POCs for CVE-2026-79992
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-79992 (2)
-
-
🔗 2523665 – (CVE-2026-79992) CVE-2026-79992 emacs: local shell command injection through the user field in emacs tramp Read full article issue-tracking x_refsource_REDHAT
Same Patch Batch · Red Hat · 2026-08-25 · 9 CVEs total
| CVE-2026-79655 | 7.8 HIGH | Sos: sos: path traversal in sos clean tar extraction via unvalidated symlink/hardlink targ |
| CVE-2026-80186 | 7.6 HIGH | Bluez: stack overflow in name2utf8 causes dos and potential code execution |
| CVE-2026-78322 | 6.5 MEDIUM | File-roller: file-roller: stack buffer overflow in parse_progress_line for 7z and rar hand |
| CVE-2026-78701 | 6.5 MEDIUM | 389-ds-base: 389-ds-base: cve-2026-11610 incomplete fix may introduce a connection-stall d |
| CVE-2026-79717 | 6.4 MEDIUM | Galaxy_ng: galaxy_ng: blind ssrf via namespace avatar_url with no private-address restrict |
| CVE-2026-79652 | 5.9 MEDIUM | Keycloak-services: keycloak-services: jwt bearer authorization grant does not enforce cons |
| CVE-2026-80185 | 5.7 MEDIUM | Bluez: sdp-xml: bluez 5.86: unprivileged-local and adjacent-le-peer leads to arbitrary cod |
| CVE-2026-77680 | 5.3 MEDIUM | Libsoup3: libsoup: quadratic cpu denial of service in http range coalescing after cve-2025 |
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V. Comments for CVE-2026-79992
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