The cookie asks to live longer than the 400 days browsers allow.

COOKIE_LONG_LIFETIME · Severity: Info

• InfoCOOKIE_LONG_LIFETIME

  The cookie asks to live longer than the 400 days browsers allow.

  RFC 6265bis caps Max-Age and Expires at 400 days, and current browsers apply the cap, so the cookie expires earlier than the value says.

Reported by

• Set-Cookie parser

Available through the API

• Set-Cookie parser API

Related findings

• Error COOKIE_INVALID The Set-Cookie value has no valid name=value pair.
• Info COOKIE_MULTIPLE The text holds more than one cookie; only the first was checked.
• Warning COOKIE_NOT_SECURE The HTTPS site sets a cookie without the Secure attribute.
• Info COOKIE_NO_HTTPONLY The cookie can be read by scripts (no HttpOnly attribute).
• Info COOKIE_NO_SAMESITE The cookie has no SameSite attribute.
• Warning COOKIE_NO_SECURE The cookie has no Secure attribute.

All findings