fix: add output encoding in CustomUserSession.cs - #6
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Automated security fix generated by OrbisAI Security
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Summary
Fix critical severity security issue in
MyApp.ServiceInterface/Data/CustomUserSession.cs.Vulnerability
V-001MyApp.ServiceInterface/Data/CustomUserSession.cs:38Description: The application stores raw API keys in the Identity Auth Cookie by adding them as claims in the AdditionalUserClaimsPrincipalFactory. The API key is retrieved from the database and directly embedded into the authentication cookie, which is then serialized and sent to the client. This exposes the API key to any process that can read the cookie (browser extensions, XSS attacks, or cookie theft via session hijacking).
Evidence
Exploitation scenario: An attacker who can steal the authentication cookie (via XSS, MITM on non-HTTPS connections, or browser compromise) can extract the API key from the cookie claims.
Scanner confirmation: multi_agent_ai rule
V-001flagged this pattern.Production code: This file is in the production codebase, not test-only code.
Changes
MyApp.ServiceInterface/Data/CustomUserSession.csBehavior Preservation
The change is scoped to 1 file on the vulnerable path; it only tightens handling of untrusted input and leaves valid inputs unaffected.
Automated security fix by OrbisAI Security