CLSA-2026-1778811697 wget: Fix of CVE-2021-31879

CVE-2021-31879: do not propagate Authorization/Cookie headers across HTTP 3xx redirects openSUSE patch...

Debian dla-4583 : idle-python3.9 - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4583 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4583-1 [email protected]...

CVE-2026-44503 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie,...

CVE-2026-44503 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie,...

GHSA-G2WM-735Q-3F56 cowlib: Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in ninenines cowlib allows HTTP request splitting and cookie smuggling via unvalidated cookie name and value fields. cowcookie:cookie/1 in cowlib builds a client-side Cookie: request header from a list of name-value pairs...

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...

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-2026-43969

CVE-2026-43969 affects the Erlang/Elixir cowlib project (cow_cookie:cookie/1). The encoder builds a client-side Cookie header from name-value pairs without validating characters, allowing an attacker-controlled cookie name or value to inject CR, LF, semicolon, comma, or TAB. This enables cookie s...

Insertion of Sensitive Information Into Sent Data

Overview urllib3 is a HTTP library with thread-safe connection pooling, file post, and more. Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in urlopen when using ProxyManager.connectionfromurl with assertsamehost=False, directly rather than v...

Unity Linux 20.1070e Security Update: future (UTSA-2026-017344)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017344 advisory. An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious we...

CLSA-2026-1778129970 python3.11: Fix of 7 CVEs

CVE-2026-0672: reject control characters in http.cookies cookie names, values, and parameters to prevent header injection - CVE-2026-3644: reject control characters in Morsel.update, |= operator, and unpickling paths missed by CVE-2026-0672; add output validation to BaseCookie.jsoutput -...

NPM: Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

NPM: Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect vulnerability discovered by ? in WordPress Npm kiota-typescript versions 1.0.0-preview.100...

GHSA-7J59-V9QR-6FQ9 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

Summary The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. This vulnerability is present in the RedirectHandlers...

PT-2026-39665

Name of the Vulnerable Software and Affected Versions urllib3 versions 1.23 through 2.6.x Description Sensitive headers, specifically Authorization, Cookie, and Proxy-Authorization, are forwarded during cross-origin redirects when using the low-level API via ProxyManager.connection from...

Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Summary There is a medium severity information disclosure vulnerability in Traefik's errors custom error pages middleware. When the backend returns a response matching the configured status range, the middleware forwards the original request's complete header set, including Authorization, Cookie,...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

GHSA-P6HG-QH38-555R Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Summary There is a medium severity information disclosure vulnerability in Traefik's errors custom error pages middleware. When the backend returns a response matching the configured status range, the middleware forwards the original request's complete header set, including Authorization, Cookie,...

Security Bulletin:Flask Vary Cookie Header Vulnerability: Use of Cache Containing Sensitive Information Fixed in 3.1.3

Summary Flask is a web server gateway interface WSGI web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not t...