How severe is CVE-2026-44839?

CVE-2026-44839 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-44839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44839?

CVE-2026-44839 affects Broadcom Rabbitmq Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44839?

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

Does CVE-2026-44839 have an EU (EUVD) identifier?

Yes. CVE-2026-44839 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32549.

When was CVE-2026-44839 published?

CVE-2026-44839 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-44839

CVE-2026-44839 is a medium-severity vulnerability in Broadcom Rabbitmq Server with a CVSS 3.x base score of 4.8. 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-80.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v4: 5.6
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32549
Weakness: CWE-80
Affected product: Broadcom Rabbitmq Server
Published: 2026-05-27
Last modified: 2026-06-17

Description

RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13, This vulnerability is fixed in 4.1.2 and 4.0.13.

Frequently asked questions

What is CVE-2026-44839?: RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13, This vulnerability is fixed in 4.1.2 and 4.0.13.
How severe is CVE-2026-44839?: CVE-2026-44839 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-44839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44839?: CVE-2026-44839 affects Broadcom Rabbitmq Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44839?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-44839 have an EU (EUVD) identifier?: Yes. CVE-2026-44839 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32549.
When was CVE-2026-44839 published?: CVE-2026-44839 was published on 2026-05-27 and last updated on 2026-06-17.

References

Affected products (1)

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

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