Is CVE-2026-9133 in the CISA KEV catalog?

No. CVE-2026-9133 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-9133?

CVE-2026-9133 has a CVSS v3 base score of 7.7 (HIGH).

What is the EPSS score for CVE-2026-9133?

CVE-2026-9133 has an EPSS score of 0.34% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-9133?

No published fix for CVE-2026-9133 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-9133

HIGH

7.7

CVSS v3

NVD

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.

CWE-489

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploit Intelligence

0.34%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-489 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-32645	Critical	9.8	54%	-	-
CVE-2017-5259	High	8.8	39%	-	-
CVE-2022-20649	High	8.1	12%	-	-
CVE-2022-38715	High	8.8	3.7%	-	-
CVE-2018-5454	High	8.1	3.5%	-	-
CVE-2021-3972	Medium	6.7	3.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-21.