PYSEC-2026-857 OpenStack Nova can leak consoleauth token into log files

An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is...

PYSEC-2026-911 OpenStack Nova uses insecure keystone middleware tmpdir by default

keystone/middleware/authtoken.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova...

PYSEC-2026-859 OpenStack Compute Nova Improper Access Control

The XenAPI backend in OpenStack Compute Nova Folsom, Grizzly, and Havana before 2013.2 does not properly apply security groups 1 when resizing an image or 2 during live migration, which allows remote attackers to bypass intended restrictions...

PYSEC-2026-858 OpenStack Nova Router metadata queries are not restricted by tenant

Interaction error in OpenStack Nova and Neutron before Havana 2013.2.1 and icehouse-1 does not validate the instance ID of the tenant making a request, which allows remote tenants to obtain sensitive metadata by spoofing the device ID that is bound to a port, which is not properly handled by 1...

PYSEC-2026-875 OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack

The security group extension in OpenStack Compute Nova Grizzly 2013.1.3, Havana before havana-3, and earlier allows remote attackers to cause a denial of service resource consumption and crash via an XML Entity Expansion XEE attack. NOTE: this issue is due to an incomplete fix for CVE-2013-1664...

PYSEC-2026-880 OpenStack Nova Long server names grow nova-api log files significantly

OpenStack Compute Nova Essex before 2011.3 allows remote authenticated users to cause a denial of service Nova-API log file and disk consumption via a long server name...

PYSEC-2026-881 OpenStack Nova Multiple directory traversal vulnerabilities

Multiple directory traversal vulnerabilities in OpenStack Nova before 2011.3.1, when the EC2 API and the S3/RegisterImage image-registration method are enabled, allow remote authenticated users to overwrite arbitrary files via a crafted 1 tarball or 2 manifest...

OpenStack Compute (Nova) has Insufficient Verification of Data Authenticity

OpenStack Compute Nova before 2014.1.4, 2014.2.x before 2014.2.3, and kilo before kilo-3 does not validate the origin of websocket requests, which allows remote attackers to hijack the authentication of users for access to consoles via a crafted webpage...

PYSEC-2026-866 OpenStack Compute (Nova) allows remote authenticated users to obtain sensitive information

OpenStack Compute Nova before 2013.1.3 and Havana before havana-2 does not properly enforce the os-flavor-access:ispublic property, which allows remote authenticated users to obtain sensitive information flavor properties, boot arbitrary flavors, and possibly have other unspecified impacts by...

PYSEC-2026-883 OpenStack Compute (Nova) has Insufficient Verification of Data Authenticity

OpenStack Compute Nova before 2014.1.4, 2014.2.x before 2014.2.3, and kilo before kilo-3 does not validate the origin of websocket requests, which allows remote attackers to hijack the authentication of users for access to consoles via a crafted webpage...

PYSEC-2026-874 OpenStack Nova DoS through ephemeral disk backing files

The libvirt driver in OpenStack Compute Nova before 2013.2.2 and icehouse before icehouse-2 allows remote authenticated users to cause a denial of service disk consumption by creating and deleting instances with unique ostype settings, which triggers the creation of a new ephemeral disk backing...

PYSEC-2026-861 OpenStack Nova instance migration process does not stop when instance is deleted

OpenStack Compute nova 2015.1 through 2015.1.1, 2014.2.3, and earlier does not stop the migration process when the instance is deleted, which allows remote authenticated users to cause a denial of service disk, network, and other resource consumption by resizing and then deleting an instance...

PYSEC-2026-870 OpenStack Nova Potential Xen connection password leak via StorageError

The volumeutils.parsevolumeinfo function in OpenStack Compute Nova before 2015.1.3 kilo and 12.0.x before 12.0.1 liberty includes the connectioninfo dictionary in the StorageError message when using the Xen backend, which might allow attackers to obtain sensitive password information by reading l...

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-2026-867 OpenStack Compute (Nova) allows remote attackers to bypass intended restriction

OpenStack Compute Nova before 2014.2.4 juno and 2015.1.x before 2015.1.2 kilo do not properly apply security group changes, which allows remote attackers to bypass intended restriction by leveraging an instance that was running when the change was made...

PYSEC-2026-873 OpenStack Nova live snapshots use an insecure local directory

OpenStack Compute Nova Grizzly 2013.1.4, Havana 2013.2.1, and earlier uses world-writable and world-readable permissions for the temporary directory used to store live snapshots, which allows local users to read and modify live snapshots...

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-2026-692 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...