Glances has Incomplete Secrets Redaction: /api/v4/args Endpoint Leaks Password Hash and SNMP Credentials

# glances/outputs/glances_restful_api.py:1168 (FIXED)
args_json = self.config.as_dict() if self.args.password else self.config.as_dict_secure()

# glances/outputs/glances_restful_api.py:1222-1237
def _api_args(self):
    try:
        # Get the RAW value of the args dict
        # Use vars to convert namespace to dict
        args_json = vars(self.args)
    except Exception as e:
        raise HTTPException(status.HTTP_404_NOT_FOUND, f"Cannot get args ({str(e)})")

    return GlancesJSONResponse(args_json)

# glances/outputs/glances_restful_api.py:1239-1258
def _api_args_item(self, item: str):
    ...
    args_json = vars(self.args)[item]
    return GlancesJSONResponse(args_json)

f'{base_path}/args': self._api_args,
f'{base_path}/args/{{item}}': self._api_args_item,

if self.args.password:
    router = APIRouter(prefix=self.url_prefix, dependencies=[Depends(self.authentication)])
else:
    router = APIRouter(prefix=self.url_prefix)

# Start Glances in web server mode (default, no password)
glances -w

# Access all command line arguments without authentication
curl -s http://localhost:61208/api/4/args | python -m json.tool

# Expected output includes sensitive fields:
# "password": "",
# "snmp_community": "public",
# "snmp_user": "private",
# "snmp_auth": "password",
# "username": "glances",
# "conf_file": "/home/user/.config/glances/glances.conf",

# Access specific sensitive argument
curl -s http://localhost:61208/api/4/args/snmp_community
curl -s http://localhost:61208/api/4/args/snmp_auth

# Start Glances with password authentication
glances -w --password --username admin

# Authenticate and access args (password hash exposed to authenticated users)
curl -s -u admin:mypassword http://localhost:61208/api/4/args/password
# Returns the salt$pbkdf2_hmac hash which enables offline brute-force

# glances/outputs/glances_restful_api.py

_SENSITIVE_ARGS = frozenset({
    'password', 'snmp_community', 'snmp_user', 'snmp_auth',
    'conf_file', 'password_prompt', 'username_used',
})

def _api_args(self):
    try:
        args_json = vars(self.args).copy()
        if not self.args.password:
            for key in _SENSITIVE_ARGS:
                if key in args_json:
                    args_json[key] = "********"
        # Never expose the password hash, even to authenticated users
        if 'password' in args_json and args_json['password']:
            args_json['password'] = "********"
    except Exception as e:
        raise HTTPException(status.HTTP_404_NOT_FOUND, f"Cannot get args ({str(e)})")
    return GlancesJSONResponse(args_json)

def _api_args_item(self, item: str):
    if item not in self.args:
        raise HTTPException(status.HTTP_400_BAD_REQUEST, f"Unknown argument item {item}")
    try:
        if item in _SENSITIVE_ARGS:
            if not self.args.password:
                return GlancesJSONResponse("********")
            if item == 'password':
                return GlancesJSONResponse("********")
        args_json = vars(self.args)[item]
    except Exception as e:
        raise HTTPException(status.HTTP_404_NOT_FOUND, f"Cannot get args item ({str(e)})")
    return GlancesJSONResponse(args_json)