Http11Probe

Parsed Empty Val β€” Cookie Handling

Test ID COOK-PARSED-EMPTY-VAL
Category Cookies
Scored No
RFC Level N/A
Expected 2xx (no crash)

What it sends

Cookie with empty value parsed without crash.

GET /cookie HTTP/1.1\r\n
Host: localhost:8080\r\n
Cookie: foo=\r\n
\r\n

Why it matters

Cookies with empty values (foo=) are valid per RFC 6265 but can crash parsers that assume a non-empty value after the = sign.

Verdicts

  • Pass β€” 2xx or 400
  • Warn β€” 404 (endpoint not available)
  • Fail β€” 500 (crash)

Sources

Http11Probe β€” HTTP/1.1 compliance & smuggling testerSource on GitHub