Test Id
Test 6714
Test Trace Id
1a8e9c6a-7434-47a9-b81d-073ab01789d6
Timestamp
Tue, 23 Jun 2026 21:41:09 GMT
Scenario
Replace fields with values that will expand the byte representation when lowercased. Current field [mfaToken] [REPLACE with ȺȾȺȾȺȾȾȺȺȾ]
Expected Result
Should return [2XX|4XX]
Result
Result Details
The following keywords were detected in the response which might suggest an error details leak: [unauthorized]
Contract Path
Fuzzer
LowercaseExpandingBytesInStringFields
Full Request Path
Http Method
{
"mfaToken": "ȺȾȺȾȺȾȾȺȺȾ",
"code": "191727"
}
[
{
"key": "Accept",
"value": "application/json"
},
{
"key": "Content-Type",
"value": "application/json"
},
{
"key": "User-Agent",
"value": "cats/13.8.1-SNAPSHOT (Test 6714 - LowercaseExpandingBytesInStringFields)"
},
{
"key": "X-Cats-Trace-Id",
"value": "1a8e9c6a-7434-47a9-b81d-073ab01789d6"
}
]
curl -X POST \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "User-Agent: cats/13.8.1-SNAPSHOT (Test 6714 - LowercaseExpandingBytesInStringFields)" \
-H "X-Cats-Trace-Id: 1a8e9c6a-7434-47a9-b81d-073ab01789d6" \
\
-d '{"mfaToken":"ȺȾȺȾȺȾȾȺȺȾ","code":"191727"}' \
https://qa-api.puk3p.online/api/auth/mfa
{
"responseCode": 401,
"httpMethod": "POST",
"responseTimeInMs": "302",
"numberOfWordsInResponse": "8",
"numberOfLinesInResponse": "1",
"contentLengthInBytes": "193",
"jsonBody": {
"timestamp": "2026-06-23T21:41:09.294852717Z",
"status": 401,
"error": "Unauthorized",
"message": "Your verification session expired — sign in again",
"path": "/api/auth/mfa",
"validationErrors": null
},
"headers": [
{
"key": "cache-control",
"value": "no-cache, no-store, max-age=0, must-revalidate"
},
{
"key": "content-type",
"value": "application/json"
},
{
"key": "date",
"value": "Tue, 23 Jun 2026 21:41:09 GMT"
},
{
"key": "expires",
"value": "0"
},
{
"key": "pragma",
"value": "no-cache"
},
{
"key": "server",
"value": "nginx/1.24.0 (Ubuntu)"
},
{
"key": "strict-transport-security",
"value": "max-age=31536000 ; includeSubDomains"
},
{
"key": "vary",
"value": "Origin"
},
{
"key": "x-content-type-options",
"value": "nosniff"
},
{
"key": "x-frame-options",
"value": "DENY"
},
{
"key": "x-xss-protection",
"value": "0"
}
],
"responseContentType": "application/json"
}
cats replay Test6714