artemis-server: undertow-core: wildfly-messaging-activemq-subsystem: artemis core protocol permits unauthed queue creation

Artemis CORE protocol channel allows unauthed queue creation. an unauthenticated attacker can send CREATEQUEUE packets on channel 1 via the :8080 HTTP-upgrade path to create arbitrary durable JMS queues on the embedded broker. This can be used for resource exhaustion and persistent broker-state...

artemis-server: undertow-core: wildfly-messaging-activemq-subsystem: artemis core protocol permits unauthed queue creation

Artemis CORE protocol channel allows unauthed queue creation. an unauthenticated attacker can send CREATEQUEUE packets on channel 1 via the :8080 HTTP-upgrade path to create arbitrary durable JMS queues on the embedded broker. This can be used for resource exhaustion and persistent broker-state...

artemis-server: undertow-core: wildfly-messaging-activemq-subsystem: artemis core protocol permits unauthed queue creation

Artemis CORE protocol channel allows unauthed queue creation. an unauthenticated attacker can send CREATEQUEUE packets on channel 1 via the :8080 HTTP-upgrade path to create arbitrary durable JMS queues on the embedded broker. This can be used for resource exhaustion and persistent broker-state...

CVE-2026-49362

Artemis CORE protocol channel allows unauthed queue creation. an unauthenticated attacker can send CREATEQUEUE packets on channel 1 via the :8080 HTTP-upgrade path to create arbitrary durable JMS queues on the embedded broker. This can be used for resource exhaustion and persistent broker-state...

SUSE-SU-2026:4113-1 Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: - CVE-2026-59881: excessive resource consumption due to WebSocket client accepting compressed frames without negotiated permessage-deflate bsc1273125. - CVE-2026-69243: HTTP request smuggling via the WebSocket upgrade procedure bsc1273553...

MiracleLinux 8 : nghttp2-1.33.0-6.el8_10.3 (AXSA:2026-1576:03)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1576:03 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted t...

Oracle Linux 10 : nghttp2 (ELSA-2026-54650)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-54650 advisory. 1.68.0-3.2 - fix HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the...

nghttp2 security update

1.43.0-6.2 - fix HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055...

Fedora 43 : nghttp2 (2026-91dd0c29d6)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-91dd0c29d6 advisory. - fix HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the preceding...

SUSE SLED15 / SLES15 Security Update : nghttp2 (SUSE-SU-2026:3153-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3153-1 advisory. This update for nghttp2 fixes the following issue - CVE-2026-58055: HTTP/1.1 Upgrade request can lead to HTTP request...

Security update for nghttp2

This update for nghttp2 fixes the following issue CVE-2026-58055: HTTP/1.1 Upgrade request can lead to HTTP request smuggling and cross-client response-queue poisoning bsc1269489. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate ...

Security update for nghttp2

This update for nghttp2 fixes the following issue CVE-2026-58055: HTTP/1.1 Upgrade request can lead to HTTP request smuggling and cross-client response-queue poisoning bsc1269489. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate ...

OESA-2026-2977 nghttp2 security update

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2. Security Fixes: nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade...

PT-2026-55438

It was discovered that the nghttp2 nghttpx proxy incorrectly handled HTTP/1.1 Upgrade requests that included a Content-Length header and body. A remote attacker could possibly use this issue to perform HTTP request and response smuggling attacks against backend services...

AZL-91451 CVE-2026-58055 affecting package fluent-bit for versions less than 3.1.10-6

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

CVE-2026-58055

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

CVE-2026-32136

AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.73, an unauthenticated remote attacker can bypass all authentication in AdGuardHome by sending an HTTP/1.1 request that requests an upgrade to HTTP/2 cleartext h2c. Once the upgrade is accepted, the resulting...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libwebsockets (UTSA-2025-991026)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991026 advisory. Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user...

EUVD-2025-35045

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free via the lwshandshakeserver function when a user-provided callback handles LWSCALLBACKHTTPCONFIRMUPGRADE. An attacker can cause a crash or disrupt service by triggering the callback under specific conditions. Note: This is...