CVE-2026-42055

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

GO-2026-5321 Gitea: Git Smart HTTP Skips Repository Token Scopes for Bearer Tokens in code.gitea.io/gitea

Gitea: Git Smart HTTP Skips Repository Token Scopes for Bearer Tokens in code.gitea.io/gitea...

GO-2026-5278 free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service in github.com/free5gc/pcf

free5GC PCF: Memory Leak via CORS Middleware Registration in HTTP Handler Leads to Denial of Service in github.com/free5gc/pcf...

CVE-2026-28898

swift-nio-http2's HTTP/2-to-HTTP/1.1 codec did not validate pseudo-header values for control characters before placing them into the translated HTTP/1.1 message. swift-nio-http2 1.44.1 adds validation of all pseudo-header values :path, :authority, :scheme, :method, and :status at both the HPACK...

CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

CVE-2026-54273

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python. An attacker could exploit this vulnerability by sending an unlimited number of pipelined requests, causing the system to consume excessive amounts of memory. This could lead to a Denial of Service Do...

EUVD-2026-37006

i18next-http-middleware: MissingKeyHandler does not reject keys whose segments contain prototype-polluting names...

GHSA-F49M-VF83-692W i18next-http-middleware: MissingKeyHandler does not reject keys whose segments contain prototype-polluting names

Impact i18next-http-middleware ≤ 3.9.6's missingKeyHandler blocked the literal request-body keys proto, constructor, and prototype added in 3.9.3, see GHSA-5fgg-jcpf-8jjw, but did not reject dotted variants such as "proto.polluted". Downstream backends that split the missing-key string on a...

[SECURITY] Fedora 43 Update: httpd-2.4.68-1.fc43

The Apache HTTP Server is a powerful, efficient, and extensible web server...

OPENSUSE-RU-2026:21160-1 Recommended update for dnscrypt-proxy

This update for dnscrypt-proxy fixes the following issues: Changes in dnscrypt-proxy: - Update to version 2.1.16 The "tlsciphersuite" option is now a no-op. Modern TLS stacks no longer expose cipher suite selection in a meaningful way, and the option had become misleading A log size of 0 no longe...

USN-8473-1: containerd vulnerabilities

It was discovered that containerd incorrectly handled HTTP/2 SETTINGS frames. A remote attacker could possibly use this issue to cause containerd to enter an infinite loop, resulting in a denial of service. CVE-2026-33814 Jakub Ciolek and Kyle Elliott discovered that containerd incorrectly handle...

OPENSUSE-SU-2026:21060-1 Security update for docker

This update for docker fixes the following issues - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1265782. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass...

SUSE-SU-2026:22367-1 Security update for docker

This update for docker fixes the following issues - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1265782. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass...

CVE-2026-40211 Denial of service via crafted DoH3 queries

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memo...

CVE-2026-40211

Technical details about CVE-2026-40211 are not publicly available in the provided documents. Monitor for updates.

CVE-2026-40208 Denial of service via DoH3 queries

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame...

Malicious code in subsearch (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 04245cd013e6aa9edb766cf14249c9dd6abd19d6beb9671c22a1a8bbbff3d511 The package's main entry index.js is the only file of substance and is wrapped in obfuscator.io string-array + RC4 obfuscation that hides every liter...

CVE-2026-55602

A flaw was found in http-proxy-middleware before 2.0.10, 3.0.6, and 4.1.0. Router proxy-table host+path matching uses unanchored substring comparison on the Host header, so a crafted Host value that superstring-matches a configured key can route requests to an unintended backend...

PT-2026-52644

Name of the Vulnerable Software and Affected Versions GitHub MCP Server versions 0.22.0 through 1.1.1 Description When operating in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton. This singleton is initialized using the GraphQL client of t...

The vulnerability of the dependency management mechanism for HTTP/2 protocols in the libcurl library of the software tool for interacting with servers via cURL allows a attacker to cause a service failure.

The vulnerability of the dependency management mechanism for HTTP/2, as well as the libcurl library used in the cURL client software for interacting with servers, relates to the possibility of exploiting memory after it is freed. Exploiting this vulnerability could allow a remote attacker to caus...