CVE-2026-9133

Arbitrary file read in rabbitmq-aws plugin

HIGH
7.7
CVSS Score
Published: May 20, 2026 at 07:38 PM UTC
Updated: July 23, 2026 at 07:31 PM UTC
1 product affected across 1 vendorRabbitMQ AWS

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Severity
HIGH7.7
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Active debug code exists in the ARN resolver of amazon-mq rabbitmq-aws before version 0.2.1. A debug ARN scheme (arn:aws-debug:file) accepted by the PUT /api/aws/arn/validate validation endpoint might allow remote authenticated users to perform arbitrary file reads on any file accessible to the RabbitMQ process. To remediate this issue, customers should upgrade to version 0.2.1 of rabbitmq-aws. If RabbitMQ is configured to use TLS for connections, we also recommend rotating any associated private certificate keys.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.1.0 ≤ v ≤ 0.2.00.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Vendor Advisory
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://aws.amazon.com/security/security-bulletins/2026-034-aws/
Patch
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/amazon-mq/rabbitmq-aws/releases/tag/0.2.1
Third Party Advisory
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/amazon-mq/rabbitmq-aws/security/advisories/GHSA-8554-wg4r-7hxm

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHAMZN
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-489

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