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CVE-2026-79759— Termix: Cross-User Information Disclosure via Missing Ownership Check in deploy-to-host Endpoint

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 是一个基于 Web 的服务器管理平台，具备 SSH 终端、隧道和文件编辑功能。在版本 1.7.0 至 2.5.1 中， 端点根据攻击者控制的 和 整数值解析凭据和目标主机记录，而未验证这些记录是否属于请求用户。在 文件中，差分错误揭示了凭据和主机记录是否存在，并泄露每条记录的 值。虽然正确加密的密码和密钥不会被泄露，但使用密钥认证的受害主机可能会接收到利用攻击者的公钥发起的出站 SSH 连接尝试。此问题已在版本 2.5.1 中修复。

CVSS 4.3 · Medium EPSS 0.27% · P18
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I. Basic Information for CVE-2026-79759

Vulnerability Information
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Vulnerability Title
Termix: Cross-User Information Disclosure via Missing Ownership Check in deploy-to-host Endpoint
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 POST /credentials/:id/deploy-to-host endpoint resolves credential and target-host records from attacker-controlled credentialId and targetHostId integer values without checking that either record belongs to the requesting user. In src/backend/database/routes/credentials.ts, differential errors reveal whether credential and host records exist and disclose each record's authType value. Properly encrypted passwords and keys are not disclosed, but a key-authenticated victim host can receive an outbound SSH connection attempt using the attacker's public key. 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:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
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-2026-79759

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III. Intelligence Information for CVE-2026-79759

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Other References for CVE-2026-79759 (5)

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-2026-79761 6.6 MEDIUM Termix: Command injection in SSH key deployment verification
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

IV. Related Vulnerabilities

Same product: Termix
Same vendor: Termix-SSH
Same weakness: CWE-639

V. Comments for CVE-2026-79759

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