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...

DEBIAN-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...

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...

EUVD-2026-85634

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, getchunkselector/1 calls binarytoatom on the raw client-supplied property from post-auth subscribe and resolveoffsetspec frames, with no whitelist and no existing guard. An authenticated...

CVE-2026-66072 RabbitMQ: Atom table exhaustion via stream `chunk_selector`

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, getchunkselector/1 calls binarytoatom on the raw client-supplied property from post-auth subscribe and resolveoffsetspec frames, with no whitelist and no existing guard. An authenticated...

CVE-2026-66072 RabbitMQ: Atom table exhaustion via stream `chunk_selector`

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, getchunkselector/1 calls binarytoatom on the raw client-supplied property from post-auth subscribe and resolveoffsetspec frames, with no whitelist and no existing guard. An authenticated...

CVE-2026-66072 RabbitMQ: Atom table exhaustion via stream `chunk_selector`

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, getchunkselector/1 calls binarytoatom on the raw client-supplied property from post-auth subscribe and resolveoffsetspec frames, with no whitelist and no existing guard. An authenticated...

CVE-2026-66067

Prior to versions 4.2.7 and 4.3.1 , RabbitMQ fails to correctly enforce per-user and per-virtual host (vhost) connection limits within its stream protocol handler. While the handler performs check_vhost_access, it omits the connection-limit checks used for AMQP, a gap explicitly acknowledged in t...

CVE-2026-66067 RabbitMQ: Stream protocol skips per vhost per user connection limits

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

CVE-2026-66067 RabbitMQ: Stream protocol skips per vhost per user connection limits

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

CVE-2026-66067

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

CVE-2026-66067 RabbitMQ: Stream protocol skips per vhost per user connection limits

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

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....

CVE-2026-66070 RabbitMQ: CORS * reflects Origin with Allow-Credentials

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...

CVE-2026-66070 RabbitMQ: CORS * reflects Origin with Allow-Credentials

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...

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...

CVE-2026-66070 RabbitMQ: CORS * reflects Origin with Allow-Credentials

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...