CVE-2026-72667

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. A specially crafted request submitted by an authenticated user with minimal privileges to a validation capability of the Observability log analysis feature...

CVE-2026-72669

The state that Kibana stores for an Observability Onboarding flow is not bound to the user who created the flow, and the routes that read and update that state do not verify ownership. An authenticated user who holds only generic read access to the space can therefore discover the onboarding flow...

CVE-2026-72678

CVE-2026-72678 : Elasticsearch vulnerability where a user-controlled size value is not validated before memory reservation, enabling memory exhaustion. An authenticated user with read privileges can send a single crafted request to a REST API endpoint, causing the node to attempt an excessively l...

EUVD-2026-58252

Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product API endpoint that causes the node to...

CVE-2026-72678

Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product API endpoint that causes the node to...

CVE-2026-72678 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product API endpoint that causes the node to...

CVE-2026-72687

CVE-2026-72687 describes a memory allocation DoS in Elasticsearch where a low-privileged authenticated user can submit a forged opaque identifier, which is decoded and deserialized before cluster verification, causing an unbounded allocation and node termination. Affected versions span 8.0.0–8.19...

CVE-2026-72686 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single request containing a crafted user-supplied input. A specific internal component validates the input using a recursive routine and applies no bound to the length of the value being validated, so the validation...

CVE-2026-72686

The CVE-2026-72686 issue affects Elasticsearch and causes Denial of Service via uncontrolled recursion in a input-validation recursive routine, exhausting stack and terminating the node process. Affected versions: all 8.0.0–8.19.19 and 9.0.0–9.4.4, plus 9.5.0. Remediation: upgrade to 8.19.20, 9.4...

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

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

CVE-2026-72685 describes an inefficient algorithmic complexity in Elasticsearch that allows a low-privileged authenticated user, who can index documents, to submit a small crafted document causing a worker thread to be consumed for an extended period, degrading indexing availability. Affected ver...

CVE-2026-72683 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API endpoint https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-ingest-simulate to submit a request that causes a self-referential data structure to be created. Whe...

CVE-2026-72683

The CVE-2026-72683 issue affects Elasticsearch where an authenticated user able to call the simulate pipeline API can submit a request that creates a self-referential data structure. When processed by an internal component, the operation recurses without bound, causing a fatal error that terminat...

CVE-2026-72683 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API endpoint https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-ingest-simulate to submit a request that causes a self-referential data structure to be created. Whe...

CVE-2026-72683

A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API endpoint https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-ingest-simulate to submit a request that causes a self-referential data structure to be created. Whe...

CVE-2026-59714 Open WebUI: Cross-channel message overwrite via chat completion API (single-model and multimodel message_ids)

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 before 0.10.0, any authenticated user can overwrite the content of a message in a channel they do not belong to including private and DM channels by sending a chat completion request with a...

CVE-2026-59714 Open WebUI: Cross-channel message overwrite via chat completion API (single-model and multimodel message_ids)

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 before 0.10.0, any authenticated user can overwrite the content of a message in a channel they do not belong to including private and DM channels by sending a chat completion request with a...

CVE-2026-59714

CVE-2026-59714 describes a cross-channel message overwrite vulnerability in Open WebUI exposed by the chat-completions path. From v0.9.5 to before v0.10.0, an authenticated user could overwrite a message in a channel they do not belong to by using a channel: chat_id with a caller-supplied message...

CVE-2026-49089

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to denial of service via Excessive Allocation CAPEC-130. A query expression accepted by a connector reporting operation was processed without any limit on its size, and an oversized expression caused the Kibana proces...