PT-2026-53005

Name of the Vulnerable Software and Affected Versions Fluentd versions prior to 1.19.3 Description The out http output plugin allows the use of placeholders, such as $tag, in the endpoint configuration parameter. If a placeholder value is derived from untrusted input, an attacker can control the...

SUSE SLES15 Security Update : apptainer (SUSE-SU-2026:2609-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2609-1 advisory. This update for apptainer fixes the following issues - CVE-2026-24137: github.com/sigstore/sigstore/pkg/tuf: legacy TUF client allows for...

SUSE SLES16: apache2 / apache2-devel / apache2-event / apache2-manual / etc (SUSE-SU-2026:22209-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22209-1 advisory. This update for apache2 fixes the following issues - CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957...

SUSE SLES12 Security Update : containerd (SUSE-SU-2026:2640-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2640-1 advisory. This update for containerd fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation...

SUSE SLES15 Security Update : terraform-provider-local, terraform-provider-null (SUSE-SU-2026:2484-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2484-1 advisory. This update for terraform-provider-local, terraform-provider-null fixes the following issue - CVE-2026-33814: golang.org/x/net/http2: infini...

libcurl 7.88.0 < 8.21.0 HTTP/2 Stream-Dependency Tree Use-After-Free

The version of libcurl installed on the remote host is 7.88.0 prior to 8.21.0. It is, therefore, affected by a use-after-free vulnerability: - A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree and subsequently invokes curleasyreset...

PT-2026-53004

Name of the Vulnerable Software and Affected Versions Fluentd versions prior to 1.19.3 Description The in http and in forward plugins support gzip-compressed data but only enforce size limits on the compressed payloads via settings like body size limit and chunk size limit. Because no limit is...

SUSE SLES16 Security Update : perl-HTTP-Daemon (SUSE-SU-2026:22187-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:22187-1 advisory. This update for perl-HTTP-Daemon fixes the following issue - CVE-2026-8450: HTTP: Daemon versions before 6.17 for Perl allow OS command...

SUSE SLES16: tomcat11 / tomcat11-admin-webapps / tomcat11-doc / etc (SUSE-SU-2026:22196-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22196-1 advisory. This update for tomcat11 fixes the following issues Update to Tomcat 11.0.22: - CVE-2026-41284: Unbounded read in WebDAV LOCK and...

GO-2026-5607 MCP Registry has an unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist in github.com/modelcontextprotocol/registry

MCP Registry has an unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist in github.com/modelcontextprotocol/registry...

GO-2026-5519 goshs: SSH host key verification disabled, allowing transparent MITM of every tunnelled HTTP request in goshs.de/goshs

goshs: SSH host key verification disabled, allowing transparent MITM of every tunnelled HTTP request in goshs.de/goshs...

GO-2026-5486 Tekton Pipelines HTTP resolver denial of service via memory exhaustion in github.com/tektoncd/pipeline

Tekton Pipelines HTTP resolver denial of service via memory exhaustion in github.com/tektoncd/pipeline...

CVE-2026-40080 Cacti: Open Redirect via HTTP_REFERER substring check in auth_login_redirect

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Open Redirect through a substring check rather than a host check at strcontains$referer, CACTIPATHURL. When the user's loginopts == '1' redirect to referer after login, the function use...

GHSA-PJP5-FPMR-3349 GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion

Summary When running in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton initialized with the first authenticated user's GraphQL client. All subsequent requests from different users share this singleton and their lockdown-related GraphQL...

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...