PYSEC-2026-863 OpenStack Compute (Nova) Denial of Service vulnerability

OpenStack Compute Nova before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote authenticated users to cause a denial of service CPU consumption via an IP filter in a list active servers API request...

PYSEC-2026-864 OpenStack Nova host data access through resize/migration

The libvirt driver in OpenStack Compute Nova before 2015.1.4 kilo and 12.0.x before 12.0.3 liberty, when using raw storage and usecowimages is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk...

PYSEC-2026-872 OpenStack Nova VMware instance leak potentially leading to compute DoS

The VMware driver in OpenStack Compute Nova before 2014.1.4 allows remote authenticated users to cause a denial of service disk consumption by deleting an instance in the resize state...

PYSEC-2026-689 OpenStack Nova Denial of service attack on the compute host

An issue was discovered in OpenStack Nova 15.x through 15.1.0 and 16.x through 16.1.1. By detaching and reattaching an encrypted volume, an attacker may access the underlying raw volume and corrupt the LUKS header, resulting in a denial of service attack on the compute host. The same code error...

PYSEC-2026-694 OpenStack Nova Filter Scheduler Bypass

In OpenStack Nova through 14.0.9, 15.x through 15.0.7, and 16.x through 16.0.2, by rebuilding an instance, an authenticated user may be able to circumvent the Filter Scheduler bypassing imposed filters for example, the ImagePropertiesFilter or the IsolatedHostsFilter. All setups using Nova Filter...

PYSEC-2026-692 OpenStack Nova DoS by rebuilding the same instance with a new image multiple times

An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance with new images, an authenticated user may consume untracked resources on a hypervisor host leading to a denial of service, aka doubled resource allocations. This regression was...

PYSEC-2026-691 OpenStack Nova Exposure of Sensitive Information to an Unauthorized Actor

OpenStack Nova before 2012.1 allows someone with access to an EC2ACCESSKEY equivalent to a username to obtain the EC2SECRETKEY equivalent to a password. Exposing the EC2ACCESSKEY via http or tools that allow man-in-the-middle over https could allow an attacker to easily obtain the EC2SECRETKEY. A...

PYSEC-2026-690 Openstack nova qcow format could expose host filesystem information

Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem...

PYSEC-2026-693 Open Redirect in CPython that affects users of OpenStack Nova

A vulnerability was found in CPython which is used by openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL...

PYSEC-2026-432 OpenStack Nova logs sensitive context from notification exceptions

An issue was discovered in exceptionwrapper.py in OpenStack Nova 13.x through 13.1.3, 14.x through 14.0.4, and 15.x through 15.0.1. Legacy notification exception contexts appearing in ERROR level logs may include sensitive information such as account passwords and authorization tokens...

CVE-2026-46448

A flaw was found in OpenStack Nova. The server creation application programming interface API fails to remove specific hint data, leading to instances being created without proper Placement allocation. This can result in a denial of service, as resources may not be correctly assigned or managed f...

MAL-2026-6043 Malicious code in @mastra/voice-aws-nova-sonic (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6c109adf5a77f9ace07bb1f5ec93cd8d3464bf675b7a93abc5fdfd64669f0c75 The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Nova vulnerability (USN-8434-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8434-1 advisory. It was discovered that Nova did not strip internal nova-prefixed scheduler hints supplied by users on instance creation. An attack...

Linux Distros Unpatched Vulnerability : CVE-2026-46448

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation. CVE-2026-46448 Note...

GHSA-MFG3-P6M3-GJGR OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints

Affects - Nova: =18.0.0 =32.0.0 =33.0.0 33.0.2 Description Erichen from the Institute of Computing Technology, Chinese Academy of Sciences reported that Nova's server create API does not strip internal scheduler hints. An authenticated user can bypass Placement resource claims and scheduling...

Incorrect Resource Transfer Between Spheres

Overview nova is an OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt KVM, Xen, LXC and more, Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM. Affected versions of this package are vulnerable to Incorrect...

EUVD-2026-37218

In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation...

OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints

Affects - Nova: =18.0.0 =32.0.0 =33.0.0 33.0.2 Description Erichen from the Institute of Computing Technology, Chinese Academy of Sciences reported that Nova's server create API does not strip internal scheduler hints. An authenticated user can bypass Placement resource claims and scheduling...

CVE-2026-46448

In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation...

USN-8434-1 nova vulnerability

It was discovered that Nova did not strip internal nova-prefixed scheduler hints supplied by users on instance creation. An attacker could possibly use this issue to bypass Placement resource claims and scheduling constraint enforcement...