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🛡️ CVE-2023-46118 — rabbit-common

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-400 OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

RabbitMQ vulnerable to Denial of Service by publishing large messages over the HTTP API

Summary

Responsibly disclosed by @NSEcho.

HTTP API did not enforce an HTTP request body limit, making it vulnerable for DoS attacks with very large messages.

Details

An authenticated user with sufficient credentials can publish a very large messages over the HTTP API

and cause target node to be terminated by an "out-of-memory killer"-like mechanism.

A PoC was provided to Team RabbitMQ privately.

Impact

Denial of Service

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: High — administrative rights are needed first.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2023-46118 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2023-46118 is recorded against 2 packages.

  • rabbit-common
  • rabbitmq

Timeline and source

Published on 30 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Package)
lists.debian.org (Web)
www.debian.org (Web)

Other advisories for this package

rabbit-common has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-400: Uncontrolled Resource Consumption) in other software:

CVE-2023-46118 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Medium
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ✅ No
Source OSV
Published 2026-06-30
Updated 2026-08-20
Modified 2026-06-30
Fix URL N/A

Affected Packages

Software From version Fixed in
rabbit-common — —
rabbitmq — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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