EUVD-2026-52443

Guzzle is an extensible PHP HTTP client. Prior to 7.15.2 and 8.0.1, SetCookie::matchesDomain gives every subdomain of a cookie Domain that cookie unless SetCookie::matchesDomain recognizes the Domain as an IP literal or a numeric host, and the decision comes from the domain's own text, so two...

CVE-2026-69245

Guzzle (PHP HTTP client) prior to versions 7.15.2 and 8.0.1 is affected by a cookie-domain handling issue in SetCookie::matchesDomain(). Noncanonical domains and certain spellings (e.g., 0x7f000001, 0177.0.0.0x1, and percent-escaped forms) can cause a cookie for a given Domain to be mis-scoped to...