Fedora 44 : openssh (2026-a80275b42d)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a80275b42d advisory. Improve GSS KEX algorithms documentation ---- - CVE-2026-55653: Fix double free in openssh DH-GEX client path during FIPS known-group validation tha...

CVE-2026-54778

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF UnixDomainSocket POSIX peer identity resolution uses non-reentrant getpwuid and getgrgid calls, allowing concurrent connections to attribute one connection's identity to...

CVE-2026-54772

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF...

CVE-2026-54778

CVE-2026-54778 : CoreWCF UnixDomainSocket suffers a race in POSIX peer identity resolution due to non-reentrant getpwuid/getgrgid calls, allowing identity misattribution or host process crash under contention. Affected versions are prior to 1.8.1 and 1.9.1; fixed in 1.8.1 and 1.9.1. Impact is lim...

CVE-2026-54778 CoreWCF: UnixDomainSocket Non-Reentrant POSIX Identity Resolution

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF UnixDomainSocket POSIX peer identity resolution uses non-reentrant getpwuid and getgrgid calls, allowing concurrent connections to attribute one connection's identity to...

CVE-2026-54772

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF...

CVE-2026-54772 CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF...

CVE-2026-54772 CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF...

CVE-2026-54772 CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF...

CVE-2026-54776

CoreWCF (UnixDomainSocket transport) with PosixIdentity client credentials is affected by a vulnerability where connections can bypass the framing-layer identity checks by skipping the application/unixposix stream upgrade before message dispatch. Affected versions include CoreWCF prior to 1.8.1 a...

CVE-2026-54776 CoreWCF: Unix Domain Socket PosixIdentity transport accepts connections that skip the security upgrade

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service hosted on Unix Domain Sockets with PosixIdentity client credentials can accept connections that skip the application/unixposix stream upgrade before dispatching...

CVE-2026-54776 CoreWCF: Unix Domain Socket PosixIdentity transport accepts connections that skip the security upgrade

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service hosted on Unix Domain Sockets with PosixIdentity client credentials can accept connections that skip the application/unixposix stream upgrade before dispatching...

CVE-2026-58208 NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with...

CVE-2026-59804 Midscene Bridge Server - Session Hijack via Unauthenticated WebSocket

Midscene Bridge Server through 1.10.3, fixed in commit 86f4118, contains a missing authentication and CORS misconfiguration vulnerability that allows unauthenticated remote attackers to hijack active bridge sessions by opening a cross-origin WebSocket connection to the local Socket.IO server, whi...

EUVD-2026-42373

Midscene Bridge Server through 1.10.3, fixed in commit 86f4118, contains a missing authentication and CORS misconfiguration vulnerability that allows unauthenticated remote attackers to hijack active bridge sessions by opening a cross-origin WebSocket connection to the local Socket.IO server, whi...

CVE-2026-59804 Midscene Bridge Server - Session Hijack via Unauthenticated WebSocket

Midscene Bridge Server through 1.10.3, fixed in commit 86f4118, contains a missing authentication and CORS misconfiguration vulnerability that allows unauthenticated remote attackers to hijack active bridge sessions by opening a cross-origin WebSocket connection to the local Socket.IO server, whi...

Security update for netty, netty-tcnative

This update for netty, netty-tcnative fixes the following issue This update for netty, netty-tcnative fixes the following issues Upgrade netty to upstream version 4.1.135, netty-tcnative to upstream version 2.0.79: CVE-2026-44249: IPv6 Subnet Filter Bypass via Incorrect Comparator Masking...

SUSE-SU-2026:2801-1 Security update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformats-binary, jackson-modules-base, jackson-parent

This update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformats-binary, jackson-modules-base, jackson-parent fixes the following issues - CVE-2026-54512: jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary...

CVE-2026-59725

CVE-2026-59725 affects Socket.IO’s Engine.IO polling transport (versions 4.1.0–6.6.6). The root cause is that invalid binary POST requests with Content-Type: application/octet-stream are not properly closing the HTTP response, enabling unauthenticated attackers to exhaust server-side connections ...

CVE-2026-59725 Socket.IO: Engine.IO Polling Transport Connection Exhaustion

Socket.IO enables bidirectional and low-latency communication for every platform. From 4.1.0 before 6.6.7, Engine.IO protocol v4 polling transport does not properly close the HTTP response for invalid binary POST requests with Content-Type: application/octet-stream, allowing an unauthenticated...