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-2026-649 OpenStack Identity Keystone is vulnerable to Block delegation escalation of privilege

OpenStack Identity Keystone before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-2 does not properly handle chained delegation, which allows remote authenticated users to gain privileges by leveraging a 1 trust or 2 OAuth token with impersonation enabled to create a new token with...

PYSEC-2026-651 OpenStack Identity (Keystone) Denial of Service

OpenStack Identity Keystone before 2013.1 allows remote attackers to cause a denial of service memory consumption and crash via multiple long requests...

PYSEC-2026-641 OpenStack Dashboard (Horizon) Cross-site scripting (XSS) vulnerability in the Host Aggregates interface

Cross-site scripting XSS vulnerability in the Host Aggregates interface in OpenStack Dashboard Horizon before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-3 allows remote administrators to inject arbitrary web script or HTML via a new host aggregate name...

PYSEC-2026-654 OpenStack Identity Keystone Improper Privilege Management

OpenStack Identity Keystone before 2014.1.1 does not properly handle when a role is assigned to a group that has the same ID as a user, which allows remote authenticated users to gain privileges that are assigned to a group with the same ID...

PYSEC-2026-653 OpenStack Identity Keystone Exposure of Sensitive Information

The catalog url replacement in OpenStack Identity Keystone before 2013.2.3 and 2014.1 before 2014.1.2.1 allows remote authenticated users to read sensitive configuration options via a crafted endpoint, as demonstrated by "$admintoken" in the publicurl endpoint field...

OpenStack Dashboard (Horizon) Cross-site scripting (XSS) vulnerability in the Host Aggregates interface

Cross-site scripting XSS vulnerability in the Host Aggregates interface in OpenStack Dashboard Horizon before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-3 allows remote administrators to inject arbitrary web script or HTML via a new host aggregate name...

PYSEC-2026-642 Horizon-Orchestration Cross-site scripting (XSS) vulnerability through resource name

Cross-site scripting XSS vulnerability in the Orchestration/Stack section in the Horizon Orchestration dashboard in OpenStack Dashboard Horizon before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-2, when used with Heat, allows remote Orchestration template owners or catalogs to inject...

PYSEC-2026-645 instack-undercloud vulnerable to symlink attack on tmp files

A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, where pre-install and security policy scripts used insecure temporary files. A local user could exploi...

PYSEC-2026-646 OpenStack Ironic Exposure of Sensitive Information to an Unauthorized Actor

The ironic-api service in OpenStack Ironic before 4.2.5 Liberty and 5.x before 5.1.2 Mitaka allows remote attackers to obtain sensitive information about a registered node by leveraging knowledge of the MAC address of a network card belonging to that node and sending a crafted POST request to the...

PYSEC-2026-643 OpenStack Dashboard (Horizon) Cross-site scripting (XSS) vulnerability

Cross-site scripting XSS vulnerability in OpenStack Dashboard Horizon 8.0.1 and earlier and 9.0.0 through 9.0.1 allows remote authenticated users to inject arbitrary web script or HTML by injecting an AngularJS template in a dashboard form...

PYSEC-2026-650 OpenStack Keystone Denial of Service vulnerability via a large HTTP request

OpenStack Keystone Grizzly before 2013.1, Folsom, and possibly earlier allows remote attackers to cause a denial of service CPU and memory consumption via a large HTTP request, as demonstrated by a long tenantname when requesting a token...

OpenStack Neutron Race Condition vulnerability

A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0:...

PYSEC-2026-652 OpenStack Keystone allows context-dependent attackers to bypass access restrictions

OpenStack Keystone Grizzly before 2013.1, Folsom 2012.1.3 and earlier, and Essex does not properly check if the 1 user, 2 tenant, or 3 domain is enabled when using EC2-style authentication, which allows context-dependent attackers to bypass access restrictions...

PYSEC-2026-662 Openstack Manila Persistent XSS in Metadata field

Cross-site scripting XSS vulnerability in the "Shares" overview in Openstack Manila before 2.5.1 allows remote authenticated users to inject arbitrary web script or HTML via the Metadata field in the "Create Share" form...

PYSEC-2026-686 OpenStack Neutron Race Condition vulnerability

A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0:...

PYSEC-2026-656 OpenStack Keystone and other components vulnerable to Improper Certificate Validation

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates...

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-2026-753 Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates

An information exposure flaw in openstack-tripleo-heat-templates allows an external user to discover the internal IP or hostname. An attacker could exploit this by checking the wwwauthenticateuri parameter which is visible to all end users in configuration files. This would give sensitive...