UBUNTU-CVE-2026-33215

Source
https://ubuntu.com/security/CVE-2026-33215
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33215.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-33215
Upstream
  • CVE-2026-33215
Published
2026-03-26T00:00:00Z
Modified
2026-03-27T17:19:38.050686Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server provides an MQTT client interface. Prior to versions 2.11.15 and 2.12.5, Sessions and Messages can by hijacked via MQTT Client ID malfeasance. Versions 2.11.15 and 2.12.5 patch the issue. No known workarounds are available.

References

Affected packages

Ubuntu:24.04:LTS / nats-server

Package

Name
nats-server
Purl
pkg:deb/ubuntu/nats-server@2.10.7-1ubuntu0.3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.9.19-1build1
2.10.3-1
2.10.4-1
2.10.7-1
2.10.7-1ubuntu0.1
2.10.7-1ubuntu0.2
2.10.7-1ubuntu0.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-github-nats-io-nats-server-dev",
            "binary_version": "2.10.7-1ubuntu0.3"
        },
        {
            "binary_name": "nats-server",
            "binary_version": "2.10.7-1ubuntu0.3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33215.json"

Ubuntu:25.10 / nats-server

Package

Name
nats-server
Purl
pkg:deb/ubuntu/nats-server@2.10.27-1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.10.24-1
2.10.27-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-github-nats-io-nats-server-dev",
            "binary_version": "2.10.27-1"
        },
        {
            "binary_name": "nats-server",
            "binary_version": "2.10.27-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33215.json"