PT-2026-44196

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the ClientRegistrationAuth component allows a remote unauthenticated attacker to cause a Denial of Service DoS. By sending a specially crafted POST request with a malformed...

RockyLinux 9 : python3.12 (RLSA-2026:19177)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:19177 advisory. expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing CVE-2025-59375...

RHEL 9 : fence-agents (RHSA-2026:21431)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21431 advisory. The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the virtiobt driver. In this driver, the virtbtrxhandle function does not check whether the...

CVE-2026-9739

Vulnerable to DNS rebinding attacks when using SSE http://b/499408790. During the beta phase, we implemented allowed-origins and allowed-hosts flags to align with MCP security guidelines. However, the hardcoded Access-Control-Allow-Origin: header in the SSE initialization handler was inadvertentl...

CVE-2026-48710

A flaw was found in Starlette, a lightweight ASGI Asynchronous Server Gateway Interface framework. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP Host request header. This malformed header could cause the request.url to be incorrectly reconstructed, leading...

pyjwt: PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)

A missing verification step has been discovered in PyJWT. PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting it. This...

CVE-2026-9739

Vulnerable to DNS rebinding attacks when using SSE http://b/499408790. During the beta phase, we implemented allowed-origins and allowed-hosts flags to align with MCP security guidelines. However, the hardcoded Access-Control-Allow-Origin: header in the SSE initialization handler was inadvertentl...

CVE-2026-9739

Vulnerable to DNS rebinding attacks when using SSE http://b/499408790. During the beta phase, we implemented allowed-origins and allowed-hosts flags to align with MCP security guidelines. However, the hardcoded Access-Control-Allow-Origin: header in the SSE initialization handler was inadvertentl...

CVE-2026-9739

CVE-2026-9739 describes a DNS rebinding vulnerability due to a hardcoded Access-Control-Allow-Origin: * in the SSE initialization handler, despite earlier attempts to align with MCP security guidelines using allowed-origins and allowed-hosts. The issue specifically affects users connecting via To...

CVE-2026-9739

Vulnerable to DNS rebinding attacks when using SSE http://b/499408790. During the beta phase, we implemented allowed-origins and allowed-hosts flags to align with MCP security guidelines. However, the hardcoded Access-Control-Allow-Origin: header in the SSE initialization handler was inadvertentl...

Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay

Cas2Handler builds this service parameter from Request::getSchemeAndHttpHost, which reflects the attacker-controlled HTTP Host header whenever Symfony's framework.trustedhosts setting is not configured the default. An attacker who controls any other application registered with the same CAS server...

GHSA-J8GJ-9RM5-4XHX Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay

Cas2Handler builds this service parameter from Request::getSchemeAndHttpHost, which reflects the attacker-controlled HTTP Host header whenever Symfony's framework.trustedhosts setting is not configured the default. An attacker who controls any other application registered with the same CAS server...

GHSA-VQC8-7275-Q272 Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names

Description Symfony\Component\Mime\Header\ParameterizedHeader and the related parameter handling reachable from Symfony\Component\Mime\Header\Headers is responsible for serializing structured headers such as Content-Type and Content-Disposition, which carry key=value parameters e.g...

Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names

Description Symfony\Component\Mime\Header\ParameterizedHeader and the related parameter handling reachable from Symfony\Component\Mime\Header\Headers is responsible for serializing structured headers such as Content-Type and Content-Disposition, which carry key=value parameters e.g...

[SECURITY] [DSA 6302-1] starlette security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6302-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 27, 2026 https://www.debian.org/security/faq -...

GHSA-QPMX-3RFJ-7RHV Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address

Description Symfony\Component\Mime\Address is the value-object every Symfony Mailer address to/cc/bcc/from/reply-to flows through; its constructor is documented as validating the address and throwing on invalid input, so developers treat it as a security boundary. The constructor accepts email...

CVE-2026-9759

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service...

UBUNTU-CVE-2026-9759

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service...

CVE-2026-44833

Snipe-IT is an IT asset/license management system. Prior to 8.4.1, an open redirect vulnerability in Snipe-IT allows attackers to redirect users to malicious sites via unvalidated HTTP Referer header stored in session variable. This vulnerability is fixed in 8.4.1...