PT-2026-57303 · Rabbitmq · Rabbitmq-Server

Published 2026-07-10 · Updated 2026-07-10 · CVE-2026-57218

NVD

CVSS v4.0

4.9

Medium

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update secret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after the channel user state changes. This issue is fixed in version 4.2.6.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-57218

Affected Products

Rabbitmq-Server

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-57218 · Security Note
• https://github.com/rabbitmq/rabbitmq-server/pull/16092 · Note
• https://github.com/rabbitmq/rabbitmq-server/commit/501ad947cd6bbcc9486fe96e0d073992bfe52cc4 · Note
• https://github.com/rabbitmq/rabbitmq-server/pull/16097 · Note
• https://github.com/rabbitmq/rabbitmq-server/commit/db20d6c0fcf3056030f244b5adab0d45c0db0c9e · Note
• https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-wmrr-4h5v-5ch7 · Note
• https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6 · Note