CVE-2026-77082

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

CVE-2026-77082

n8n before 1.123.69 , 2.x before 2.33.4 , and 2.34.x before 2.34.1 is affected by a ReDoS vulnerability in the Filter and Switch nodes . The root cause is that user-supplied regex patterns are compiled with new RegExp() and executed synchronously on the worker thread without complexity validation...

CVE-2026-77082 n8n before 1.123.69 ReDoS via Filter and Switch Node

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

CVE-2026-77082 n8n before 1.123.69 ReDoS via Filter and Switch Node

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

EUVD-2026-63270

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

CVE-2026-77082 n8n before 1.123.69 ReDoS via Filter and Switch Node

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service ReDoS vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp and execute them synchronously on the worker thread without complexity...

PT-2026-78937

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.69 n8n versions 2.x prior to 2.33.4 n8n versions 2.34.x prior to 2.34.1 Description A regular expression denial of service ReDoS exists in the Filter and Switch nodes. The issue occurs because user-supplied regex...

CVE-2026-76401

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 timestamp extraction with a crafted regular expression and matching event data to block a Kafka Connect worker thread, stopping event...

CVE-2026-76401

Splunk Connect for Kafka versions below 2.2.7 are affected by a Regular Expression Denial of Service (ReDoS) vulnerability in the timestamp extraction feature. An unauthenticated user with network access to the Kafka Connect REST API can configure timestamp extraction with a crafted regular expre...

CVE-2026-75851 ArcadeDB before 26.8.1 Authentication Bypass via Async Command

ArcadeDB server com.arcadedb:arcadedb-server in versions 26.7.3 and earlier fails to propagate the authenticated principal to asynchronous command worker threads. When an HTTP command is submitted with awaitResponse:false, it executes on an async worker whose DatabaseContext has no bound user,...

CVE-2026-72220

A flaw was found in the Linux kernel's sunrpc component. When a worker thread processes a new request and encounters an early error, a stale release hook can be re-triggered against previously used data. This can lead to a double-free or use-after-free vulnerability, potentially allowing an...

EUVD-2026-58960

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid heap allocation for free-cluster readahead state getnrfreeclusters allocates a temporary filerastate before it publishes the precomputed free cluster count, sets NVolFreeClusterKnown, and wakes vol-freewaitq. If that...

CVE-2026-72685

A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the...

EUVD-2026-58249

A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the...

CVE-2026-72685 Inefficient Algorithmic Complexity in Elasticsearch Leading to Denial of Service

A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the...

Elasticsearch 8.19.20, 9.4.5 Security Update (ESA-2026-77)

Inefficient Algorithmic Complexity in Elasticsearch Leading to Denial of Service A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker...

PT-2026-71794

A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the...

📄 LightFTP Server 2.3.1 Race Condition

LightFTP version 2.3.1 contains a residual race condition in the workerthreadcleanup function of ftpserv.c. The control thread reads and acts on shared per-connection state, including the worker thread id it then passes to pthreadjoin/pthreadcancel, without holding the context-MTLock mutex that t...

CVE-2026-67607

LightFTP 2.3.1 contains a residual race condition vulnerability an incomplete fix for CVE-2024-11144 in the workerthreadcleanup function of ftpserv.c that allows remote unauthenticated attackers to destabilize or crash the daemon by triggering unsynchronized access to shared per-connection state...

CVE-2026-67607 LightFTP 2.3.1 Race Condition DoS via worker_thread_cleanup

LightFTP 2.3.1 contains a residual race condition vulnerability an incomplete fix for CVE-2024-11144 in the workerthreadcleanup function of ftpserv.c that allows remote unauthenticated attackers to destabilize or crash the daemon by triggering unsynchronized access to shared per-connection state...