CVE-2026-16052Cookie Attribute Injection via Unescaped Semicolons in http.cookies.Morsel

Beschreibung

The http.cookies.Morsel class allows separator semicolons in attribute values and includes them verbatim in all output formats. An attacker who can control these values could use this to relax the cookie's Domain or SameSite restrictions.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• https://github.com/python/cpython/pull/161711
• https://github.com/python/cpython/issues/161707
• https://mail.python.org/archives/list/security-announce@python.org/thread/IZL4QUFV7PKGT2JYSU2DCBMLTWYJDGKZ/