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You10:14 AM

Audit JWT auth middleware in src/middleware/auth.ts for security flaws and missing claim validations.

Task Agent10:14 AM

Thought Process

Inspecting src/middleware/auth.ts for algorithm specification enforcement, token expiration checks, and payload validation...

tool::grep_searchcompleted

args: {"Query":"jwt.verify","SearchPath":"src/middleware/auth.ts"}

output: Found 1 match at line 24: jwt.verify(token, process.env.JWT_SECRET)

tool::view_filecompleted

args: {"AbsolutePath":"src/middleware/auth.ts"}

output: Read 48 lines. Identified missing algorithms restriction ['HS256'].

Security audit complete. I identified 2 security vulnerabilities: 1. `jwt.verify` does not specify `algorithms: ['HS256']`, exposing the service to algorithm confusion attacks. 2. Expiration errors are caught generically without logging security events.

Apply Security Patch to auth.tsAction Approval Required

Enforce explicit algorithm restriction and introduce structured error handling.

--- src/middleware/auth.ts
+++ src/middleware/auth.ts
@@ -24,3 +24,3 @@
-  const payload = jwt.verify(token, SECRET);
+  const payload = jwt.verify(token, SECRET, { algorithms: ['HS256'] });

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