PYSEC-2026-785 openstack-barbican Denial of Service vulnerability

An authorization flaw was found in openstack-barbican, where anyone with an admin role could add secrets to a different project container. This flaw allows an attacker on the network to consume protected resources and cause a denial of service...

PYSEC-2026-786 Barbican authorization flaw before v14.0.0

An authorization flaw was found in openstack-barbican. The default policy rules for the secret metadata API allowed any authenticated user to add, modify, or delete metadata from any secret regardless of ownership. This flaw allows an attacker on the network to modify or delete protected data,...

PYSEC-2026-882 OpenStack Nova Changing vnic_type breaks compute service restart

An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnictype, creating an instance bound to that port, and then changing the vnictype of the bound port to macvtap, an authenticated user may cause the compu...

PYSEC-2026-891 Openstack cinder Improper handling of ScaleIO backend credentials

An insecure-credentials flaw was found in all openstack-cinder versions before openstack-cinder 14.1.0, all openstack-cinder 15.x.x versions before openstack-cinder 15.2.0 and all openstack-cinder 16.x.x versions before openstack-cinder 16.1.0. When using openstack-cinder with the Dell EMC ScaleI...

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-2026-830 OpenStack Keystone allows information disclosure during account locking

OpenStack Keystone 10.x through 16.x before 16.0.2, 17.x before 17.0.1, 18.x before 18.0.1, and 19.x before 19.0.1 allows information disclosure during account locking related to PCI DSS features. By guessing the name of an account and failing to authenticate multiple times, any unauthenticated...

PYSEC-2026-862 OpenStack Compute (Nova) Resource limit circumvention in Nova private flavors

The "create an instance" API in OpenStack Compute Nova Folsom, Grizzly, and Havana does not properly enforce the os-flavor-access:ispublic property, which allows remote authenticated users to boot arbitrary flavors by guessing the flavor id. NOTE: this issue is due to an incomplete fix for...

PYSEC-2026-802 XML External Entity (XXE) in Django

The XML libraries for Python as used in OpenStack Keystone Essex and Folsom, Django, and possibly other products allow remote attackers to read arbitrary files via an XML external entity declaration in conjunction with an entity reference, aka an XML External Entity XXE attack...

PYSEC-2026-801 XML Entity Expansion (XEE) in Django

The XML libraries for Python, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute Nova Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service resource consumption and crash via an XML Entity Expansion XEE attack...

PYSEC-2026-817 OpenStack Image Registry and Delivery Service (Glance) Improper Input Validation vulnerability

The Sheepdog backend in OpenStack Image Registry and Delivery Service Glance 2013.2 before 2013.2.4 and icehouse before icehouse-rc2 allows remote authenticated users with permission to insert or modify an image to execute arbitrary commands via a crafted location...

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-2026-911 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-2026-875 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-2026-858 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...

OpenStack Image Registry and Delivery Service (Glance) Improper Input Validation vulnerability

The Sheepdog backend in OpenStack Image Registry and Delivery Service Glance 2013.2 before 2013.2.4 and icehouse before icehouse-rc2 allows remote authenticated users with permission to insert or modify an image to execute arbitrary commands via a crafted location...

PYSEC-2026-935 OpenStack Swift allows authenticated users to cause a denial of service

OpenStack Swift before 1.9.1 in Folsom, Grizzly, and Havana allows authenticated users to cause a denial of service "superfluous" tombstone consumption and Swift cluster slowdown via a DELETE request with a timestamp that is older than expected...

PYSEC-2026-831 OpenStack Identity Keystone Privilege Escalation vulnerability

The LDAP backend in OpenStack Identity Keystone Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges...

PYSEC-2026-876 OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image

OpenStack Compute Nova Folsom, Grizzly, and Havana does not verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service host file system disk consumption by creating an image with a large virtual size that does not contain a large amount of data...

OpenStack Image Service (Glance) allows remote authenticated users to bypass storage quota, cause denial of service

OpenStack Image Service Glance before 2014.2.4 juno and 2015.1.x before 2015.1.2 kilo allows remote authenticated users to bypass the storage quota and cause a denial of service disk consumption by deleting images that are being uploaded using a token that expires during the process. NOTE: this...