CVE-2026-74688

In the Linux kernel, the following vulnerability has been resolved: sctp: clear control chunk transport if it is being removed sctpmakeheartbeatack caches the destination transport in chunk-transport without taking a reference. When srcoutofasocok is enabled, the HEARTBEAT ACK may remain queued o...

CVE-2026-74588

In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk-transport in step with the list it is queued on sctpoutqflushrtx moves a gap-acked chunk onto another transport's transmitted list without updating chunk-transport: if chunk-tsngapacked...

CVE-2026-74688

This is a use-after-free vulnerability in the Linux kernel SCTP subsystem. The root cause is that sctp_make_heartbeat_ack() caches the destination transport in chunk->transport without taking a reference. When src_out_of_asoc_ok is enabled, a HEARTBEAT ACK can remain queued on control_chunk_li...

CVE-2026-74688 sctp: clear control chunk transport if it is being removed

In the Linux kernel, the following vulnerability has been resolved: sctp: clear control chunk transport if it is being removed sctpmakeheartbeatack caches the destination transport in chunk-transport without taking a reference. When srcoutofasocok is enabled, the HEARTBEAT ACK may remain queued o...

EUVD-2026-64525

In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk-transport in step with the list it is queued on sctpoutqflushrtx moves a gap-acked chunk onto another transport's transmitted list without updating chunk-transport: if chunk-tsngapacked...

CVE-2026-74588

This is a slab-use-after-free vulnerability in the Linux kernel SCTP subsystem . The root cause is in __sctp_outq_flush_rtx(), which moves a gap-acked chunk onto another transport's transmitted list without updating chunk->transport. When the original transport is removed via an ASCONF Delete-...

CVE-2026-74586 sctp: clear new_transport when removing a peer

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

EUVD-2026-64523

In the Linux kernel, the following vulnerability has been resolved: sctp: clear newtransport when removing a peer sctpprocessasconfparam stores a newly added peer transport in asoc-newtransport. After all parameters in the ASCONF chunk have been processed, sctpsfdoasconf uses this pointer to send...

Apache ActiveMQ - Remote Code Execution via HTTP Discovery Transport Bypass

Apache ActiveMQ before 5.19.6 and 6.0.0 through 6.2.4 is vulnerable to remote code execution via a bypass of the CVE-2026-34197 security fix. The original fix blocked the "vm://" transport scheme in BrokerView.addNetworkConnector and BrokerView.addConnector to prevent authenticated attackers from...

PT-2026-79591

In the Linux kernel, the following vulnerability has been resolved: sctp: clear new transport when removing a peer sctp process asconf param stores a newly added peer transport in asoc-new transport. After all parameters in the ASCONF chunk have been processed, sctp sf do asconf uses this pointer...

PT-2026-79593

In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk-transport in step with the list it is queued on sctp outq flush rtx moves a gap-acked chunk onto another transport's transmitted list without updating chunk-transport: if chunk-tsn gap acked list move...

PT-2026-79693

In the Linux kernel, the following vulnerability has been resolved: sctp: clear control chunk transport if it is being removed sctp make heartbeat ack caches the destination transport in chunk-transport without taking a reference. When src out of asoc ok is enabled, the HEARTBEAT ACK may remain...

EUVD-2026-63931

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-71485

Centrifugo is an open-source scalable real-time messaging server. Prior to 6.9.0, Centrifugo copies the client-controlled protocol.ConnectRequest.headers map through OnClientConnecting in internal/client/handler.go, ConnectEvent.Headers, and SetEmulatedHeadersToContext. The requestHeaders path in...

CVE-2026-53586 libgit2: HTTP transport can leak credentials to an offsite redirect target

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, the built-in HTTP transport in src/libgit2/transports/http.c follows an offsite initial redirect, an...

EUVD-2026-62967

In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Representational State Transfer REST API could configure a non-secure Hypertext Transfer Protocol HTTP Event Collector endpoint in Splunk Enterprise that causes the connector to send...

Important: Red Hat Security Advisory: postfix security update

An update for postfix is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

CVE-2026-76402 Server-Side Request Forgery (SSRF) through the REST API in Splunk Connect for Kafka

In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Representational State Transfer REST API could configure a non-secure Hypertext Transfer Protocol HTTP Event Collector endpoint in Splunk Enterprise that causes the connector to send...

CVE-2026-76244 stigmem-node Insecure Federation Transport Configuration

stigmem-node contains an insecure default configuration vulnerability that allows federation traffic to traverse networks without mTLS protection when non-loopback endpoints are enabled. Operators who explicitly disabled mTLS while binding federation to non-loopback addresses expose federation...

kobako Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)

Summary A guest mruby script running inside the Kobako sandbox can execute arbitrary Ruby in the host process, fully escaping the sandbox. Details A host embeds bound "Service" objects that guest scripts call across the wasm boundary through the transport dispatcher. The dispatcher passed the...