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Debian dsa-6340 : neutron-api - security update

low Nessus Plugin ID 320658

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6340 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6340-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 11, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : neutron CVE ID : CVE-2026-50266

 Tim Shepard discovered a vulnerability in Neutron, the OpenStack virtual network service, which allowed the bypass of port RBAC rules.

 The oldstable distribution (bookworm) is not affected.

 For the stable distribution (trixie), this problem has been fixed in version 2:26.0.3-0+deb13u2.

 We recommend that you upgrade your neutron packages.

 For the detailed security status of neutron please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/neutron

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the neutron-api packages.

See Also

https://security-tracker.debian.org/tracker/source-package/neutron

https://security-tracker.debian.org/tracker/CVE-2026-50266

https://packages.debian.org/source/trixie/neutron

Plugin Details

Severity: Low

ID: 320658

File Name: debian_DSA-6340.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/11/2026

Updated: 6/11/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

Vector: CVSS2#AV:N/AC:H/Au:M/C:N/I:P/A:N

CVSS Score Source: CVE-2026-50266

CVSS v3

Risk Factor: Low

Base Score: 2.2

Temporal Score: 2

Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:neutron-common, p-cpe:/a:debian:debian_linux:neutron-dhcp-agent, p-cpe:/a:debian:debian_linux:neutron-l3-agent, p-cpe:/a:debian:debian_linux:neutron-linuxbridge-agent, p-cpe:/a:debian:debian_linux:neutron-macvtap-agent, p-cpe:/a:debian:debian_linux:neutron-metadata-agent, p-cpe:/a:debian:debian_linux:neutron-metering-agent, p-cpe:/a:debian:debian_linux:neutron-openvswitch-agent, p-cpe:/a:debian:debian_linux:neutron-plugin-nec-agent, p-cpe:/a:debian:debian_linux:neutron-server, p-cpe:/a:debian:debian_linux:neutron-sriov-agent, p-cpe:/a:debian:debian_linux:neutron-api, p-cpe:/a:debian:debian_linux:neutron-doc, p-cpe:/a:debian:debian_linux:neutron-ovn-metadata-agent, p-cpe:/a:debian:debian_linux:neutron-rpc-server, p-cpe:/a:debian:debian_linux:python3-neutron, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:neutron-ovn-agent, p-cpe:/a:debian:debian_linux:neutron-ovn-maintenance-worker, p-cpe:/a:debian:debian_linux:neutron-periodic-workers, p-cpe:/a:debian:debian_linux:neutron-services-server

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-50266