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Open5GS’s optional WebUI management component uses JSON Web Tokens (JWTs) for authentication/authorization. When the JWT_SECRET_KEY environment variable is not set, the WebUI falls back to a hard-coded default signing secret (publicly known as "change-me"). This allows an attacker to forge valid JWTs (including administrative tokens), resulting in authentication bypass and full administrative access to the WebUI, with the ability to read/modify subscriber data and configuration and to bypass secondary controls (e.g., CSRF) once an admin token is accepted.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Unknown
A critical authentication bypass / privilege compromise in the Open5GS optional WebUI caused by default hardcoded secrets used for JWT signing, enabling attackers to forge admin JWTs and gain full administrative access to the WebUI (including read/write of subscriber and configuration data).
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Cross-references every affected SKU, including bundled OEM variants.
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