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...

OpenStack Neutron Improper Authentication vulnerability

The l3-agent in OpenStack Neutron 2012.2 before 2013.2.3 does not check the tenant id when creating ports, which allows remote authenticated users to plug ports into the routers of arbitrary tenants via the device id in a port-create command...

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 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-2026-859 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-2026-876 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...

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...

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-2026-935 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...

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...

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 Cinder file disclosure in image convert

OpenStack Cinder before 2014.1.5 icehouse, 2014.2.x before 2014.2.4 juno, and 2015.1.x before 2015.1.1 kilo allows remote authenticated users to read arbitrary files via a crafted qcow2 signature in an image to the upload-to-image command...

OpenStack Glance Bypass the storage quota and Denial of service

OpenStack Glance 2014.2.x through 2014.2.1, 2014.1.3, and earlier allows remote authenticated users to bypass the storage quota and cause a denial of service disk consumption by deleting an image in the saving state...

PYSEC-2026-865 OpenStack Nova denial of service through compressed disk images

OpenStack Compute Nova Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service host file system disk consumption via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096...

OpenStack Object Storage (Swift) allows remote attackers to cause a denial of service

OpenStack Object Storage Swift before 2.3.1 Kilo, 2.4.x, and 2.5.x before 2.5.1 Liberty do not properly close server connections, which allows remote attackers to cause a denial of service proxy-server resource consumption via a series of interrupted requests to a Large Object URL...

OpenStack Cinder Exposure of Sensitive Information to an Unauthorized Actor vulnerability

The 1 GlusterFS and 2 Linux Smbfs drivers in OpenStack Cinder before 2014.1.3 allows remote authenticated users to obtain file data from the Cinder-volume host by cloning and attaching a volume with a crafted qcow2 header...

PYSEC-2026-928 OpenStack Swift Cross-site Scriping vulnerability

Cross-site scripting XSS vulnerability in OpenStack Swift 1.11.0 through 1.13.1 allows remote attackers to inject arbitrary web script or HTML via the WWW-Authenticate header...

OpenStack Neutron Intended MAC-spoofing protection mechanism bypass

The IPTables firewall in OpenStack Neutron up to 7.0.4 and 8.x before 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via 1 a crafted DHCP discovery message or 2 crafted non-IP traffic...