openstack has 29 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 20 in the last 90 days against 4 in the 90 before. The busiest recent month was October 2026 with 10. The median CVSS is 7.1 (high), with 5 rated critical. None have a confirmed exploitation report. The dominant weakness classes are CWE-863 (4) and CWE-669 (3). Most affected products: Ironic (5), Mistral (4), Blazar (2).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 7.1
- Publish → KEV
- —
- Last 90 days
- 20 prev 4
Products
- Ironic 5
- Mistral 4
- Blazar 2
- Glance 2
- Keystone 2
- Octavia 2
Worst active — by depth score
CVE-2026-71195Critical· 9.9In OpenStack Manila before 23.0.1, multiple Manila API operations on public shares do not verify that the caller owns the share67CVE-2026-94572Critical· 9.4In OpenStack Octavia before 18.0.1, the Amphora provider driver did not validate the listener and pool tls_ciphers field for control characters64CVE-2026-93858High· 8.7In OpenStack Mistral through 23.0.0, the std.ssh_proxied action passes a caller-supplied proxy_command value directly to paramiko.ProxyCommand() before any SSH connection to a gateway or target host is attempted60CVE-2026-22797Critical· 9.9An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.155CVE-2026-90460High· 7.6An issue was discovered in OpenStack Keystone before 29.0.354
openstack vulnerabilities
CVEs affecting openstack, newest first. Open any entry for full detail, references, and exploit status.
29 CVEsRSS
CVE-2026-89419Medium· 5.0OpenStack Ironic before 39.0.1 sometimes allows a user to change the maintenance setting on a node via PATCH to /v1/nodes/{ident} - in other words, not using the specific maintenance endpoint.
OpenStack Ironic before 39.0.1 sometimes allows a user to change the maintenance setting on a node via PATCH to /v1/nodes/{ident} - in other words, not using the specific maintenance endpoint.
CVE-2026-115638Medium· 4.3OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.
OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.
CVE-2026-90458Medium· 5.4OpenStack Ironic before 39.0.1 allows DELETE and GET via vendor_passthru, e.g., to delete accounts from the BMC's Redfish service.
OpenStack Ironic before 39.0.1 allows DELETE and GET via vendor_passthru, e.g., to delete accounts from the BMC's Redfish service.
CVE-2026-71195Critical· 9.9PoCIn OpenStack Manila before 23.0.1, multiple Manila API operations on public shares do not verify that the caller owns the share
In OpenStack Manila before 23.0.1, multiple Manila API operations on public shares do not verify that the caller owns the share. The API controllers authorize operations against the caller's own project context, then load a foreign publi…
CVE-2026-93856Medium· 4.3PoCIn OpenStack Cinder through 29.0.0, cross-project information disclosure can occur in the Messages API
In OpenStack Cinder through 29.0.0, cross-project information disclosure can occur in the Messages API. A non-admin user with the project-scoped 'member' or 'reader' role making the Block Storage API v3.3 "List messages" call finds the n…
CVE-2026-93858High· 8.7PoCIn OpenStack Mistral through 23.0.0, the std.ssh_proxied action passes a caller-supplied proxy_command value directly to paramiko.ProxyCommand() before any SSH connection to a gateway or target host is attempted
In OpenStack Mistral through 23.0.0, the std.ssh_proxied action passes a caller-supplied proxy_command value directly to paramiko.ProxyCommand() before any SSH connection to a gateway or target host is attempted. An authenticated project…
CVE-2026-97147High· 7.2PoCIn OpenStack Mistral through 23.0.0, several of the v2 API write paths resolve the target object with a query that can return another project's resource, then write to it
In OpenStack Mistral through 23.0.0, several of the v2 API write paths resolve the target object with a query that can return another project's resource, then write to it. An authenticated project member can use this to rewrite and un-pu…
CVE-2026-93860High· 7.1PoCIn OpenStack Mistral through 23.0.0, the /v2/maintenance API controller clears the request context and calls the maintenance service directly without any policy enforcement
In OpenStack Mistral through 23.0.0, the /v2/maintenance API controller clears the request context and calls the maintenance service directly without any policy enforcement. Any holder of a valid Mistral token, regardless of assigned rol…
CVE-2026-93861Medium· 6.0In OpenStack Mistral through 23.0.0, the workflow membership API lets a project that has accepted a share of another project's private workflow create a further membership naming a third project
In OpenStack Mistral through 23.0.0, the workflow membership API lets a project that has accepted a share of another project's private workflow create a further membership naming a third project. The new membership row is created with it…
CVE-2026-107363Medium· 6.1PoCIn OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token
In OpenStack Zaqar before 23.0.1, the WebSocket transport fails to bind the project identifier in subsequent requests to the project authenticated by the Keystone token. An authenticated user with a valid token for one project may substi…
CVE-2026-97404Critical· 9.2In OpenStack Zaqar before 22.0.2, WSGI transport mishandles the URL-Signature header
In OpenStack Zaqar before 22.0.2, WSGI transport mishandles the URL-Signature header. By sending a request with an empty URL-Signature header, an unauthenticated remote attacker who knows a target project's UUID may bypass both Keystone …
CVE-2026-97149Medium· 5.3In OpenStack Swift before 2.38.2, the tempurl middleware does not reject the X-Copy-From header on PUT requests
In OpenStack Swift before 2.38.2, the tempurl middleware does not reject the X-Copy-From header on PUT requests. A TempURL signature only covers the method, expiry, and path, and thus the list of disallowed headers is the only defense ag…
CVE-2026-94572Critical· 9.4PoC⚖ disputedIn OpenStack Octavia before 18.0.1, the Amphora provider driver did not validate the listener and pool tls_ciphers field for control characters
In OpenStack Octavia before 18.0.1, the Amphora provider driver did not validate the listener and pool tls_ciphers field for control characters. The value is written verbatim into the HAProxy configuration generated on the amphora, and t…
CVE-2026-94571Critical· 9.4⚖ disputedIn OpenStack Octavia before 18.0.1, the Amphora provider driver did not reject control characters in the L7 policy redirect_url and redirect_prefix fields
In OpenStack Octavia before 18.0.1, the Amphora provider driver did not reject control characters in the L7 policy redirect_url and redirect_prefix fields. The RFC 3986 URL validator percent-encodes control characters before validating, …
CVE-2026-93854High· 7.2In OpenStack Blazar before 17.0.1, the V2 lease API does not enforce object-level authorization on its update and delete operations (PUT /v2/leases/{lease_id} and DELETE /v2/leases/{lease_id})
In OpenStack Blazar before 17.0.1, the V2 lease API does not enforce object-level authorization on its update and delete operations (PUT /v2/leases/{lease_id} and DELETE /v2/leases/{lease_id}). The policy authorize() wrapper attempts to …
CVE-2026-93852High· 7.1In OpenStack Blazar before 17.0.1, the V2 lease listing operation (GET /v2/leases) returns leases for every project without enforcing project scoping or an administrator-only policy
In OpenStack Blazar before 17.0.1, the V2 lease listing operation (GET /v2/leases) returns leases for every project without enforcing project scoping or an administrator-only policy. Any authenticated user with access to the Blazar REST …
CVE-2026-71198High· 7.0In OpenStack Glance before 32.0.1, the location API does not validate destination hosts when adding an HTTP location to an image
In OpenStack Glance before 32.0.1, the location API does not validate destination hosts when adding an HTTP location to an image. Unlike the web-download import path, the location API only checks the URL scheme and does not apply the imp…
CVE-2026-90460High· 7.6PoCAn issue was discovered in OpenStack Keystone before 29.0.3
An issue was discovered in OpenStack Keystone before 29.0.3. Tokens obtained via delegated authentication methods (EC2 credentials, application credentials, OAuth1 access tokens, and trusts) are not blocked from creating, modifying, or d…
CVE-2026-90461Medium· 6.3OpenStack Ironic through 38.0.0 may send a username and password to an unexpected remote host when Image Service is configured for HTTP(S) Basic Authentication.
OpenStack Ironic through 38.0.0 may send a username and password to an unexpected remote host when Image Service is configured for HTTP(S) Basic Authentication.
CVE-2026-80183High· 7.1In OpenStack Keystone before 29.0.3, any authenticated user holding role:reader on any project can list every project-scoped role assignment under any domain by passing a domain ID as scope.project.id with include_subtree to the GET /v3/…
In OpenStack Keystone before 29.0.3, any authenticated user holding role:reader on any project can list every project-scoped role assignment under any domain by passing a domain ID as scope.project.id with include_subtree to the GET /v3/…
CVE-2026-55748Medium· 6.0OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters
OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types…
CVE-2026-49017Medium· 6.5In OpenStack Swift before 2.36.2 and 2.37.2, s3api middleware enters an infinite loop when processing a truncated aws-chunked PUT request body
In OpenStack Swift before 2.36.2 and 2.37.2, s3api middleware enters an infinite loop when processing a truncated aws-chunked PUT request body. The StreamingInput class repeatedly appends an empty buffer and re-reads, causing the proxy-s…
CVE-2026-43002Medium· 5.3An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3
An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression…
CVE-2026-42997High· 7.7An issue was discovered in idrac in OpenStack Ironic before 35.0.1
An issue was discovered in idrac in OpenStack Ironic before 35.0.1. During import, a user invoking molds can request authorization to be sent to a remote endpoint. The credential forwarded is a time-limited Keystone token (which provides…
CVE-2026-43003High· 8.0An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0
An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0. Ironic Python Agent (IPA) sometimes executes grub-install from within a chroot of the deployed partition image, leading to code execution in the case of a mal…
CVE-2026-24708High· 8.2An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1
An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend t…
CVE-2026-22797Critical· 9.9An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1
An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1. The external_oauth2_token middleware fails to sanitize incoming authentication …
CVE-2017-7200Medium· 5.8An SSRF issue was discovered in OpenStack Glance before Newton
An SSRF issue was discovered in OpenStack Glance before Newton. The 'copy_from' feature in the Image Service API v1 allowed an attacker to perform masked network port scans. With v1, it is possible to create images with a URL such as 'ht…
CVE-2013-0335High· 7.6OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circumstances by using the VNC token for a deleted VM that was bound to the same VNC port.
OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circumstances by using the VNC token for a deleted VM that was bound to the same VNC port.