CVE-2026-50052

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

EUVD-2026-34066

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

firefox: Same-origin policy bypass in the Networking: HTTP component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: HTTP component...

CVE-2026-36610

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials...

PT-2026-46001

Mercusys AC12G EU V1 with firmware AC12GEU V1 200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers...

PT-2026-45941

daphne before 4.2.2 reconstructs a raw HTTP request from Twisted's parsed headers and feeds it to autobahn for WebSocket handshake processing. Twisted does not treat x0b, x0c, x1c, x1d, x1e, or x85 as header line separators, but autobahn decodes header values to str and calls splitlines. An...

PT-2026-45987

Name of the Vulnerable Software and Affected Versions Cisco Unified Communications Manager versions prior to 14SU6 Cisco Unified Communications Manager versions prior to 15SU5 Cisco Unified Communications Manager Session Management Edition affected versions not specified Description An...

PT-2026-45992

Mercusys AC12G EU V1 router with firmware AC12GEU V1 200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

CVE-2026-36613

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 is affected by a vulnerability where HTTP POST requests to undefined paths return 128 bytes of uninitialized internal buffer contents, exposing server state to unauthenticated adjacent network attackers. Affected component: the device’s HTT...

PT-2026-46115

Name of the Vulnerable Software and Affected Versions quic-go affected versions not specified Description An attacker can trigger excessive memory allocation in the HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame. This frame decodes into a large trailer field...

PT-2026-46088

Summary The HTTP server in browserstack-runner serves files from the project directory via the default handler. This handler uses path.joinprocess.cwd, uri to resolve file paths but does not validate that the resulting path stays within the project root. Combined with the server binding on 0.0.0....

Linux Distros Unpatched Vulnerability : CVE-2026-50052

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack...

PT-2026-45903

Name of the Vulnerable Software and Affected Versions Vinyl Cache versions prior to 9.0.1 Varnish Cache versions prior to 9.0.3 Description A deficiency in HTTP/2 request parsing allows for a backend request desync attack, also known as request smuggling. This issue can lead to cache poisoning,...

PT-2026-46048

Name of the Vulnerable Software and Affected Versions Securly Chrome Extension version 3.0.7 Description The extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP using the Fetch API. This represents an inconsistent implementation of Transport...

CVE-2026-36610

Mercusys AC12G EU V1 with firmware AC12GEUV1200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials...

Mercusys AC12G 加密问题漏洞

The Mercusys AC12G is a Gigabit wireless router produced by the Chinese company Mercusys. The Mercusys AC12G EU V1 AC12G EU V1 version has a security vulnerability. This vulnerability stems from the transmission of DDNS credentials via plaintext HTTP, which may allow for man-in-the-middle attacks...

Varnish Cache和Vinyl Cache 环境问题漏洞

Varnish Cache is a set of reverse website caching servers provided by the Varnish company. Vinyl Cache is a high-performance HTTP reverse proxy and web application caching acceleration platform offered by the Vinyl Cache company. Versions of Vinyl Cache prior to 9.0.1 and Varnish Cache prior to...

TencentOS Server 3: httpd:2.4 (TSSA-2026:0425)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0425 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

CVE-2026-49975

Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's modhttp leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67...

AlmaLinux 8 : httpd:2.4 (ALSA-2026:22140)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:22140 advisory. httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 httpd: modproxyajp: heap-based buffer over-read and memory disclosure in...