Security Bulletin: Cookie Parsing Vulnerability in Werkzeug Allows Subdomain Cookie Injection (≤ v2.2.2), affects watsonx.data

Summary A vulnerability in Werkzeug prior to v2.2.3 allows malicious subdomains to inject crafted "nameless" cookies that are incorrectly parsed as valid cookies. This can cause applications to accept attacker-controlled values, potentially leading to security issues. This can affect watsonx.data...

Linux Distros Unpatched Vulnerability : CVE-2026-35536

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked f...

GHSA-FQWM-6JPJ-5WXC Tornado has cookie attribute injection via .RequestHandler.set_cookie

In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked for crafted characters...

CVE-2026-35536

In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked for crafted characters...

PYSEC-2026-2287

In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked for crafted characters...

UBUNTU-CVE-2026-35536

In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked for crafted characters...

CVE-2026-35536

In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked for crafted characters...

CVE-2026-35536

Tornado

CVE-2026-35536

In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.setcookie were not checked for crafted characters...

SUSE-SU-2026:1171-1 Security update for python-tornado

This update for python-tornado fixes the following issues: - CVE-2026-31958: parsing large multipart bodies with many parts can cause a denial of service bsc1259553. - incomplete validation of cookie attributes allows for injection of user-controlled values in other cookie attributes bsc1259630...

Improper Encoding or Escaping of Output

Overview Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the http.cookies.Morsel.update function's |= operator and unpickling paths, http.cookies.BaseCookie.jsoutput function. An attacker can inject control characters into cookies by supplying...

CVE-2026-29086

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.12.4, the setCookie utility did not validate semicolons ;, carriage returns \r, or newline characters \n in the domain and path options when constructing the Set-Cookie header. Because cookie...

Hono Vulnerable to Cookie Attribute Injection via Unsanitized domain and path in setCookie()

Summary The setCookie utility did not validate semicolons ;, carriage returns \r, or newline characters \n in the domain and path options when constructing the Set-Cookie header. Because cookie attributes are delimited by semicolons, this could allow injection of additional cookie attributes if...

PT-2026-23077

Name of the Vulnerable Software and Affected Versions Hono versions prior to 4.12.4 Description The setCookie utility did not properly validate semicolons ;, carriage returns r, or newline characters in the domain and path options when creating the Set-Cookie header. Because cookie attributes are...

SUSE-SU-2026:0664-1 Security update for python3

This update for python3 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

SUSE-SU-2026:0643-1 Security update for python39

This update for python39 fixes the following issues: - CVE-2025-11468: Fixed a header injection when folding a long comment in an email header containing exclusively unfoldable characters. bsc1257029 - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters...

SUSE-SU-2026:0612-1 Security update for python36

This update for python36 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

MiracleLinux 9 : curl-7.76.1-26.el9.2 (AXSA:2023-6965:14)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6965:14 advisory. curl: a heap-based buffer overflow in the SOCKS5 proxy handshake CVE-2023-38545 curl: cookie injection with none file CVE-2023-38546 Tenable has...

MiracleLinux 8 : curl-7.61.1-33.el8_9.5 (AXSA:2024-7656:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7656:02 advisory. curl: information disclosure by exploiting a mixed case flaw CVE-2023-46218 curl: more POST-after-PUT confusion CVE-2023-28322 curl: cookie injectio...

curl: Cross‑origin cookies leak and injection risk when using a custom Host header

Summary When a custom hostname is specified, it is used for cookie matching if the cookie engine is also enabled for this transfer. This matching persists in cross-origin redirects despite that the originally supplied hostname is removed. cookiehost is set from a custom Host header: lib/http.c...