projectdiscovery/nuclei · error

aws region cannot be empty

Error message

aws region cannot be empty

What it means

Error "aws region cannot be empty" thrown in projectdiscovery/nuclei.

Source

Thrown at pkg/protocols/http/signer/aws-sign.go:36

)

const defaultEmptyPayloadHash = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"

// AWSOptions
type AWSOptions struct {
	AwsID          string
	AwsSecretToken string
	Service        string
	Region         string
}

// Validate Signature Arguments
func (a *AWSOptions) Validate() error {
	if a.Service == "" {
		return errors.New("aws service cannot be empty")
	}
	if a.Region == "" {
		return errors.New("aws region cannot be empty")
	}

	return nil
}

// AWS v4 signer
type AWSSigner struct {
	creds   *aws.Credentials
	signer  *v4.Signer
	options *AWSOptions
}

// SignHTTP
func (a *AWSSigner) SignHTTP(ctx context.Context, request *http.Request) error {
	if region, ok := ctx.Value(SignerArg("region")).(string); ok && region != "" {
		a.options.Region = region
	}
	if service, ok := ctx.Value(SignerArg("service")).(string); ok && service != "" {

View on GitHub (pinned to 265b3a3dec)

When it happens

Trigger: Thrown at pkg/protocols/http/signer/aws-sign.go:36 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/29be8dd086a670e9. Report an issue: GitHub.