projectdiscovery/nuclei · error

key cannot be empty

Error message

key cannot be empty

What it means

Error "key cannot be empty" thrown in projectdiscovery/nuclei.

Source

Thrown at pkg/authprovider/authx/file.go:157

		for _, query := range s.Params {
			if err := query.Validate(); err != nil {
				return fmt.Errorf("invalid query in queryAuth: %s", err)
			}
		}
	default:
		return fmt.Errorf("invalid type: %s", s.Type)
	}
	return nil
}

type KV struct {
	Key   string `json:"key" yaml:"key"` // Header key (preserves exact casing)
	Value string `json:"value" yaml:"value"`
}

func (k *KV) Validate() error {
	if k.Key == "" {
		return fmt.Errorf("key cannot be empty")
	}
	if k.Value == "" {
		return fmt.Errorf("value cannot be empty")
	}
	return nil
}

type Cookie struct {
	Key   string `json:"key" yaml:"key"`
	Value string `json:"value" yaml:"value"`
	Raw   string `json:"raw" yaml:"raw"`
}

func (c *Cookie) Validate() error {
	if c.Raw != "" {
		return nil
	}
	if c.Key == "" {

View on GitHub (pinned to 265b3a3dec)

When it happens

Trigger: Thrown at pkg/authprovider/authx/file.go:157 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of projectdiscovery/nuclei@265b3a3dec (2026-08-15). Data as JSON: /api/errors/a8eedd57afbee310. Report an issue: GitHub.