CVE-2025-41702

egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass

Published Aug 26, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-25832 The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.
History
Type Values Removed Values Added
First Time appeared Welotec
Welotec egos Webgui
Vendors & Products Welotec
Welotec egos Webgui
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.
Title egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass
Weaknesses CWE-321
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Aug 26, 2025, 7:39 PM
Reserved
Apr 16, 2025, 11:17 AM
Status
Deferred
Published
Aug 26, 2025, 6:15 AM
Modified
Jun 17, 2026, 9:23 AM