CVE-2026-42874

Microdot is a minimalistic Python web framework. Prior to 2.6.1, the Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection...

CVE-2026-42874

Microdot is a minimalistic Python web framework. Prior to 2.6.1, the Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection...

CVE-2026-42874 Microdot: HTTP response splitting in Response.set_cookie()

Microdot is a minimalistic Python web framework. Prior to 2.6.1, the Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection...

CVE-2026-42874 Microdot: HTTP response splitting in Response.set_cookie()

Microdot is a minimalistic Python web framework. Prior to 2.6.1, the Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection...

CVE-2026-42874

CVE-2026-42874 affects Microdot prior to version 2.6.1, where Response.set_cookie() does not sanitize string arguments and fails to detect the CRLF sequence, enabling HTTP header injection via cookie storage. Exploitation requires the attacker to first compromise a client (e.g., through a separat...

microdot 注入漏洞

Microdot is a minimalistic Python web framework developed by Miguel Grinberg. Versions of Microdot prior to 2.6.1 contained an injection vulnerability. This vulnerability stemmed from the Response.setcookie method not properly cleaning the string parameters, which could lead to header injection...

GHSA-7WC8-WVC4-M498 Microdot has HTTP response splitting in Response.set_cookie()

Impact The Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection attack through this issue to be possible, an attacker must...

HTTP Response Splitting

Overview microdot is a The impossibly small web framework for MicroPython Affected versions of this package are vulnerable to HTTP Response Splitting in the setcookie function. An attacker can inject arbitrary HTTP headers by supplying malicious input containing carriage return and line feed...