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CVE-2026-79761— Termix: Command injection in SSH key deployment verification

Quick assessment

Affected
Termix-SSH Termix
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.

Termix 是一款基于 Web 的服务器管理平台，提供 SSH 终端、隧道功能和文件编辑能力。在版本 1.7.0 至 2.5.1 中，Termix 的 SSH 密钥部署流程从用户可控的公钥令牌中提取一个 grep 模式，并将其插值到在选定目标主机上执行的双引号 shell 命令中。在 文件中，两种 验证路径均允许在 中接受命令替换或破坏引号的 shell 语法。因此，已认证且能够部署精心构造的 SSH 凭据的用户，就可以以所选远程账户的权限执行命令。独立的 ACME 命令注入报告不在本 CVE 的范围之内。此问题

CVSS 6.6 · Medium EPSS 0.36% · P27
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I. Basic Information for CVE-2026-79761

Vulnerability Information
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Vulnerability Title
Termix: Command injection in SSH key deployment verification
Source: CVE Program / CVE List V5
Vulnerability Description
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. From 1.7.0 until 2.5.1, the Termix SSH key deployment flow derives a grep pattern from a user-controlled public-key token and interpolates it into double-quoted shell commands executed on the selected target host. In src/backend/database/routes/credential-deploy-routes.ts, both grep -F verification paths accept command substitution or quote-breaking shell syntax in keyPattern. An authenticated user who can deploy a crafted SSH credential can therefore execute commands with the selected remote account's privileges. The separate ACME command-injection report is outside this CVE's scope. This issue is fixed in version 2.5.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Termix-SSH Termix >= 1.7.0, < 2.5.1 -

II. Public POCs for CVE-2026-79761

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III. Intelligence Information for CVE-2026-79761

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Other References for CVE-2026-79761 (4)

Same Patch Batch · Termix-SSH · 2026-09-24 · 8 CVEs total

CVE-2026-79766 9.1 CRITICAL Termix: OS command injection in ACME/Let's Encrypt certificate-request handler via admin-c
CVE-2026-79764 7.7 HIGH Termix: Authenticated SSRF via `/homepage/proxy` — No Destination Allowlist
CVE-2026-79760 6.4 MEDIUM Termix: Authenticated blind SSRF through notification channel test endpoints
CVE-2026-79762 5.5 MEDIUM Termix: Hardcoded default key encrypts all OIDC/WebAuthn users' stored SSH credentials — f
CVE-2026-79758 5.4 MEDIUM Termix: Authenticated users can read other users' host status and clear global SSH connect
CVE-2026-79763 5.3 MEDIUM Termix: MFA-critical operations accept the account password as a sole factor (regression o
CVE-2026-79759 4.3 MEDIUM Termix: Cross-User Information Disclosure via Missing Ownership Check in deploy-to-host En

IV. Related Vulnerabilities

Same product: Termix
Same vendor: Termix-SSH
Same weakness: CWE-78

V. Comments for CVE-2026-79761

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