Improper Neutralization

Overview Affected versions of this package are vulnerable to Improper Neutralization of inline in the BaseCookie.jsoutput function. An attacker can inject arbitrary script content by supplying specially crafted input containing HTML parser-sensitive sequences. Remediation A fix was pushed into th...

CVE-2026-6019 BaseCookie.js_output() does not neutralize embedded characters

http.cookies.Morsel.jsoutput returns an inline snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie value...

UBUNTU-CVE-2026-3644

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update, |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output validation applie...