---
id: CVE-2023-1636
aliases:
  - GHSA-6rx9-c2rh-3qv4
  - PYSEC-2026-1214
title: OpenStack Barbican information disclosure vulnerability
summary: OpenStack Barbican information disclosure vulnerability
severity: medium
cvss: 6
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L'
vendor: barbican
product: barbican
ecosystem: pip
affected:
  - barbican <= 16.0.0
published: '2023-09-24'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-6rx9-c2rh-3qv4'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-1636'
  - url: 'https://access.redhat.com/security/cve/CVE-2023-1636'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2181765'
  - url: 'https://github.com/openstack/barbican'
tags:
  - osv
  - pip
epss: 0.00484
epssPercentile: 0.39031
ingestedAt: '2026-07-08T18:25:46.528Z'
---

## Overview

A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.

## Affected packages

- `barbican <= 16.0.0`

## Remediation

Refer to the advisory for the patched release.