CVE-2026-44839

mediumpriority · track · 19EPSS 0.002 · 8 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (8th) EPSS

CVSS 4.8 · medium

Is it mine?

12 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.7–5.6

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7

v4.05.6mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.6mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/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:Xsecondary · security-advisories@github.com

v4.01.7lowCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-80US

affected products (12)

Products and version ranges known to be affected.

Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Open Source RabbitMQ< 4.0.13cert_bundDE
Open Source RabbitMQ< 4.1.2cert_bundDE
rabbitmq rabbitmq-server3.7.0, → 4.0.13enisa_euvdEU
rabbitmq rabbitmq-server4.1.0-alpha, → 4.1.2enisa_euvdEU
broadcom rabbitmq server3.7.0 → 4.0.13nvdUScpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*
broadcom rabbitmq server4.1.0 → 4.1.2nvdUScpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*
Bitnami rabbitmq3.7.0 → 4.0.13osvUSpkg:bitnami/rabbitmq
Bitnami rabbitmq4.1.0 → 4.1.2osvUSpkg:bitnami/rabbitmq

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1397RabbitMQ: Mehrere SchwachstellenDeutsch2026-05-06csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in RabbitMQ ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, und um Sicherheitsvorkehrungen zu umgehen.
BIT-rabbitmq-2026-44839RabbitMQ: Unsanitized vhost names allow for XSS in management UI2026-05-29vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2026-05-27modified 2026-10-26

references (7)

External citations — patches, advisories, analysis.

scry

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