Termix: Hardcoded default key encrypts all OIDC/WebAuthn users' stored SSH credentials — full offline decryption from a database copy

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-79762
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:06 UTC
Updated2026-09-28 16:17:15 UTC
DescriptionTermix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. From 1.7.0 until 2.5.1, Termix derives the keys that wrap OIDC and WebAuthn users' Data Encryption Keys from committed default strings and the public userId salt in src/backend/utils/user-crypto.ts. Because OIDC_SYSTEM_SECRET and WEBAUTHN_SYSTEM_SECRET are not configured by the project's default deployment artifacts, an attacker with an offline SQLite database copy can derive the wrapping key, recover each affected user's DEK, and decrypt stored SSH passwords, private keys, and key passphrases. Password-authenticated users are not affected by this specific key derivation path. This issue is fixed in version 2.5.1.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000820000 probability, percentile 0.001950000 (date 2026-09-29)

Problem Types: CWE-321 | CWE-321 CWE-321: Use of Hard-coded Cryptographic Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Termix-SSH Termix affected >= 1.7.0, < 2.5.1 Not specified

References

ReferenceSourceLinkTags
github.com/Termix-SSH/Termix/security/advisories/GHSA-685g-ccvv-6p8m 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/Termix-SSH/Termix/pull/1067 [email protected] github.com
github.com/Termix-SSH/Termix/commit/401ec7e8fc7d7f63739112e0b0897d6c9720... [email protected] github.com
github.com/Termix-SSH/Termix/releases/tag/release-2.5.1-tag [email protected] github.com
github.com/Termix-SSH/Termix/commit/ddbdd5c437c2296607dfaa4265d6f63fbc1c... [email protected] github.com
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