How severe is CVE-2026-57214?

CVE-2026-57214 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-57214 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-57214?

CVE-2026-57214 affects Broadcom Rabbitmq Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-57214?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-57214 published?

CVE-2026-57214 was published on 2026-07-10 and last updated on 2026-07-13.

CVE-2026-57214

CVE-2026-57214 is a medium-severity vulnerability in Broadcom Rabbitmq Server with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 7.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Broadcom Rabbitmq Server
Published: 2026-07-10
Last modified: 2026-07-13

Description

RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-internal-purpose queue or exchange argument into an HTML title attribute without proper escaping on the Queues and Exchanges pages, allowing a user with permission to declare a queue or exchange to execute JavaScript in another user's browser. This issue is fixed in version 4.2.5.

Frequently asked questions

What is CVE-2026-57214?: RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-internal-purpose queue or exchange argument into an HTML title attribute without proper escaping on the Queues and Exchanges pages, allowing a user with permission to declare a queue or exchange to execute JavaScript in another user's browser. This issue is fixed in version 4.2.5.
How severe is CVE-2026-57214?: CVE-2026-57214 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-57214 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-57214?: CVE-2026-57214 affects Broadcom Rabbitmq Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-57214?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-57214 published?: CVE-2026-57214 was published on 2026-07-10 and last updated on 2026-07-13.

References

Affected products (1)

cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*

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