CVE-2026-66073: Uncontrolled Resource Consumption

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

CVE-2026-66074

A flaw was found in RabbitMQ. A remote attacker with management privileges could exploit a regular expression regex filter in the management API by providing a specially crafted regex to the ?name= filter. This vulnerability, known as Regular Expression Denial of Service ReDoS, causes excessive C...

CVE-2026-66074 RabbitMQ: ReDoS via management API ?name= filter

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-66074 RabbitMQ: ReDoS via management API ?name= filter

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-66074 RabbitMQ: ReDoS via management API ?name= filter

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

AZL-105801 CVE-2026-66070 affecting package rabbitmq-server 3.13.7-9

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6, matchorigin/1 returned the bare reflected Origin and allowed credentials even when the wildcard "" was configured, so the response echoed the attacker's origin together with...

CVE-2026-66070

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6, matchorigin/1 returned the bare reflected Origin and allowed credentials even when the wildcard "" was configured, so the response echoed the attacker's origin together with...

UBUNTU-CVE-2026-66070

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6, matchorigin/1 returned the bare reflected Origin and allowed credentials even when the wildcard "" was configured, so the response echoed the attacker's origin together with...

CVE-2026-66070

RabbitMQ is a messaging and streaming broker containing a vulnerability in the rabbit_mgmt_cors.erl component. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6 , the match_origin/1 function incorrectly reflected the request Origin while allowing credentials when a wildcard (*) was configured....

EUVD-2026-85625

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6, matchorigin/1 returned the bare reflected Origin and allowed credentials even when the wildcard "" was configured, so the response echoed the attacker's origin together with...

PT-2026-97558

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 3.13.17 RabbitMQ versions prior to 4.0.22 RabbitMQ versions prior to 4.1.13 RabbitMQ versions prior to 4.2.6 Description In the management plugin, the match origin/1 function within rabbit mgmt cors.erl incorrectly...

Critical Bifrost AI Gateway Flaw Lets Attackers Run Commands Without Credentials

A critical vulnerability in Bifrost, an open-source AI gateway that routes requests to more than 20 LLM providers, allows an unauthenticated attacker to run arbitrary commands on the gateway server with a single HTTP request. The flaw, tracked as CVE-2026-90898 CVSS score: 9.8, affects all versio...

CLEANSTART-2026-MB73363 Security fix for GHSA-jq43-27x9-3v86 applied in: management-api-for-apache-cassandra-5.0 0.1.107-r0, management-api-for-apache-cassandra-5.0 0.1.108-r0, management-api-for-apache-cassandra-5.0 0.1.109-r0, stargate 1.0.90-r4, stargate 2.0.44-r4

GHSA-jq43-27x9-3v86 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

CVE-2026-53957 Contentful MCP Server: export_space/import_space tools pass LLM-controlled `host`/`proxy` args to CMA client, redirecting server PAT to attacker-controlled endpoint

Contentful MCP Server is a Model Context Protocol server for the Contentful Management API. Prior to @contentful/mcp-server 1.7.19 and @contentful/mcp-tools 0.4.5, exportspace and importspace in packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts and...

rabbitmq-server: rabbitmq-server: Denial of Service via excessive memory allocation in stream management

A flaw was found in rabbitmq-server. An authenticated user with access to a virtual host can cause a Denial of Service DoS by sending a specially crafted HTTP request to the stream management application programming interface API. The server allocates substantial memory to process stream binding...

rabbitmq: RabbitMQ: Denial of Service via management API regular expression filter

A flaw was found in RabbitMQ. A remote attacker with management privileges could exploit a regular expression regex filter in the management API by providing a specially crafted regex to the ?name= filter. This vulnerability, known as Regular Expression Denial of Service ReDoS, causes excessive C...

rabbitmq-server: rabbitmq-server: Denial of Service via management API atom table exhaustion

A flaw was found in rabbitmq-server. An authenticated user with management API access can cause a Denial of Service DoS by sending requests containing arbitrary node names to queue, exchange, or binding endpoints. Because untrusted input is converted into internal system identifiers atoms without...

CVE-2026-90898

Bifrost registers MCP clients through its management API. A stdio client is a command plus args. Bifrost starts that program in the gateway the moment the client is added. No MCP handshake required. The default is governance.authconfig.isenabled=false. Auth off means every caller is a local admin...

CVE-2026-90898 Bifrost unauthenticated remote code execution via MCP stdio client registration

Bifrost registers MCP clients through its management API. A stdio client is a command plus args. Bifrost starts that program in the gateway the moment the client is added. No MCP handshake required. The default is governance.authconfig.isenabled=false. Auth off means every caller is a local admin...

CVE-2026-90898

Bifrost (by maximhq) is vulnerable to unauthenticated remote code execution through its MCP stdio client registration endpoint. When a stdio client is registered via POST /api/mcp/client, Bifrost immediately spawns the specified command in the gateway—no MCP handshake required. By default, authen...