Description
RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3, Stored XSS via TLS peer-certificate DN in stream-management UI (sibling of V-11). lines 102/106/110 render peercertsubject / peercertissuer with raw <%= %> and no fmtstring(). RFC4514 backslash-escaping of </> is HTML-inert and bypassable (<img ... //>). Requires non-default config: a stream TLS listener with verifypeer and an attacker-obtainable trusted cert with a malicious Same as the connection.ejs finding, against operators viewing the stream-connection detail rabbitmqstream + rabbitmqstreammanagement enabled with a TLS listener using verifypeer Attacker can obtain a certificate signed by a CA the listener trusts, with attacker-chosen DN An operator views the. This issue is fixed in versions 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| rabbitmq | rabbitmq-server | >= 3.13.0, < 3.13.18, >= 4.0.0, < 4.0.23, >= 4.1.0, < 4.1.14, >= 4.2.0, < 4.2.9, >= 4.3.0, < 4.3.3 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rabbitmq-server | 4.3.6-1 | — |
| Debian 13 | rabbitmq-server | No fix yet | — |
| Debian 12 | rabbitmq-server | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rabbitmq-server | No fix yet | — |
| Ubuntu 26.04 LTS | rabbitmq-server | 4.0.5-10ubuntu5.2 | USN-8933-1 |
| Ubuntu 24.04 LTS | rabbitmq-server | 3.12.1-1ubuntu1.7 | USN-8933-1 |
| Ubuntu 22.04 LTS | rabbitmq-server | 3.9.27-0ubuntu0.6 | USN-8933-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | rabbitmq-server | 3.8.3-0ubuntu0.3+esm2 | USN-8933-1 |
| Ubuntu Pro 18.04 LTS | rabbitmq-server | 3.6.10-1ubuntu0.5+esm1 | USN-8933-1 |
| Ubuntu Pro 16.04 LTS | rabbitmq-server | 3.5.7-1ubuntu0.16.04.4+esm3 | USN-8933-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | rabbitmq-server4.3 | 4.3.6-1.hum1 | RHSA-2026:67552 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | rabbitmq-server | 3.13.7-10 | — |
Advisories 3
- WID-SEC-2026-2485 RabbitMQ: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
- USN-8933-1 rabbitmq-server vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- RHSA-2026:67552 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 20, 2026