Upstream information

CVE-2026-66074 at MITRE

Description

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, match_value/3 passes the user-supplied ?name= regular expression to re:run with no match_limit option, and executes it once per resource in the result set. OTP's default 10M match_limit caps each call at roughly 100-200ms, but the regex runs once per resource in the result set. With a large set, for example 5000 queues at 150ms each, a single request consumes 12 or more minutes of CPU. Parallel requests saturate the schedulers. The use_regex=true option is a supported feature on list endpoints, so this path is reachable through normal API use. Preconditions include Any user with the management tag can exploit this.. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail SUSE
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
CVSS v4 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 6 6
Vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/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 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Attack Vector Network Network
Attack Complexity Low Low
Attack Requirements Present Present
Privileges Required Low Low
User Interaction None None
Vulnerable System Confidentiality Impact None None
Vulnerable System Integrity Impact None None
Vulnerable System Availability Impact High High
Subsequent System Confidentiality Impact None None
Subsequent System Integrity Impact None None
Subsequent System Availability Impact None None
CVSSv4 Version 4.0 4.0
SUSE Bugzilla entry: 1282559 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Module for Server Applications 15 SP7 rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP7 rabbitmq-server313 Affected
SUSE Linux Enterprise Server 15 SP7 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP7 rabbitmq-server313 Affected
SUSE Linux Enterprise Server 16.0 rabbitmq-server Affected
SUSE Linux Enterprise Server 16.1 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 rabbitmq-server313 Affected
SUSE Linux Enterprise Server for SAP applications 16.0 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP applications 16.1 rabbitmq-server Affected
openSUSE Leap 16.0 rabbitmq-server Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP4 rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP5 rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP6 rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP6 rabbitmq-server313 Affected
SUSE Linux Enterprise Server 15 SP4 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP4-LTSS rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP5 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP5-LTSS rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP6 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP6 rabbitmq-server313 Affected
SUSE Linux Enterprise Server 15 SP6-LTSS rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP6-LTSS rabbitmq-server313 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 rabbitmq-server313 Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Enterprise Storage 7 rabbitmq-server Affected
SUSE Enterprise Storage 7.1 rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS rabbitmq-server Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP2 rabbitmq-server Affected
SUSE Linux Enterprise Module for Server Applications 15 SP3 rabbitmq-server Affected
SUSE Linux Enterprise Real Time 15 SP2 rabbitmq-server Affected
SUSE Linux Enterprise Real Time 15 SP3 rabbitmq-server Affected
SUSE Linux Enterprise Real Time 15 SP4 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP2 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP2-BCL rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP2-LTSS rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP3 rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP3-BCL rabbitmq-server Affected
SUSE Linux Enterprise Server 15 SP3-LTSS rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 rabbitmq-server Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 rabbitmq-server Affected
SUSE Manager Proxy 4.1 rabbitmq-server Affected
SUSE Manager Proxy 4.2 rabbitmq-server Affected
SUSE Manager Proxy 4.3 rabbitmq-server Affected
SUSE Manager Proxy LTS 4.3 rabbitmq-server Affected
SUSE Manager Retail Branch Server 4.1 rabbitmq-server Affected
SUSE Manager Retail Branch Server 4.2 rabbitmq-server Affected
SUSE Manager Retail Branch Server 4.3 rabbitmq-server Affected
SUSE Manager Retail Branch Server LTS 4.3 rabbitmq-server Affected
SUSE Manager Server 4.1 rabbitmq-server Affected
SUSE Manager Server 4.2 rabbitmq-server Affected
SUSE Manager Server 4.3 rabbitmq-server Affected
SUSE Manager Server LTS 4.3 rabbitmq-server Affected
openSUSE Leap 15.3 rabbitmq-server Affected
openSUSE Leap 15.4 rabbitmq-server Affected
openSUSE Leap 15.5 rabbitmq-server Affected
openSUSE Leap 15.6 rabbitmq-server Affected
openSUSE Leap 15.6 rabbitmq-server313 Affected


SUSE Timeline for this CVE

CVE page created: Thu Sep 24 12:41:38 2026
CVE page last modified: Thu Sep 24 14:36:59 2026