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CVE-2026-50221

openstack-swift: OpenStack Swift: SSRF via internal update header injection in proxy-server

In OpenStack Swift before 2.37.2, proxy-server does not strip internal update headers (X-Container-Host, X-Container-Device, X-Delete-At-Host, X-Delete-At-Device) from client requests before forwarding them to object-servers. An authenticated user with write access can inject these headers to redirect container update requests to an attacker-controlled server, enabling server-side request forgery. The SSRF requests expose internal cluster metadata including storage policy indexes, partition mappings, device names, and when at rest encryption is enabled, cipher text and initialization vectors for the container-level encryption key. The attacker can also cause "ghost listings" in arbitrary containers via the shard-range redirect mechanism.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-55748

OpenStack Horizon: OpenStack Horizon: Information disclosure or integrity compromise via 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 of user error, not a vulnerability.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-54421

openstack ironic: OpenStack Ironic: Information disclosure via PATCH request on volume properties

In OpenStack Ironic before 37.0.1, when applying a PATCH to update fields in volume properties the user is authorized for, Ironic can return unredacted sensitive information (such as iSCSI credentials). The PATCH outcome is a security issue; the POST outcome is not a security issue.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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CVE-2026-50589

openstack-ironic: OpenStack Ironic: Denial of Service via crafted JSON string

In OpenStack Ironic 32 before 37.0.0, an unauthenticated malicious user could submit a crafted JSON string to some endpoints on the API or JSON-RPC service and effect a service crash.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-46447

Boot Script Injection via iPXE Script in OpenStack Ironic Node Configuration

OpenStack Ironic before 35.0.2 allows Boot Script Injection of an iPXE script if the attacker can set node.driver_info or node.instance_info.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed
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CVE-2026-33551

openstack-keystone: OpenStack Keystone: Privilege escalation through EC2 credential creation

An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0. Restricted application credentials can create EC2 credentials. By using a restricted application credential to call the EC2 credential creation API, an authenticated user with only a reader role may obtain an EC2/S3 credential that carries the full set of the parent user's S3 permissions, effectively bypassing the role restrictions imposed on the application credential. Only deployments that use restricted application credentials in combination with the EC2/S3 compatibility API (swift3 / s3api) are affected.

CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
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CVE-2026-41283

openstack-mistral: OpenStack Mistral: Arbitrary Remote Code Execution via exposed API endpoints

OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
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CVE-2026-50266

openstack-neutron: OpenStack Neutron: Network spoofing via incorrect port RBAC policies

In OpenStack Neutron before 28.0.1, a project manager can create or update a port on a shared network owned by another project and set device_owner to a value that has "network:" at the beginning ("network:dhcp" for example). The default port RBAC policies incorrectly included PROJECT_MANAGER without requiring network ownership, allowing any project manager to obtain trusted network-service port behavior on shared networks. Depending on backend and deployment, this can bypass anti-spoofing and security group protections, enabling DHCP, MAC, or IP spoofing against other tenants on the shared network. This is a regression of CVE-2015-5240 (OSSA-2015-018).

CVSS 3.1 · 2.2 Low EPSS < 1% KEV · Not listed
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CVE-2026-48681

openstack-ironic: OpenStack Ironic: File overwrite via directory traversal vulnerability

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
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CVE-2026-44917

Authenticated Project Admin File Read via PXE Template in OpenStack Ironic

OpenStack Ironic before 35.0.2 allows a malicious authenticated project admin or manager to read local files on the Ironic conductor via a pxe_template.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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CVE-2026-49299

openstack-neutron: OpenStack Neutron: Unauthorized tag modification due to policy enforcement mismatch

In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to create and update tags on same-project resources. Deployments running Neutron 26.0.0 or later are affected.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-42998

openstack-keystone: OpenStack Keystone: User impersonation and unauthorized access via insufficient application credential verification.

An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone application credential authentication plugin does not verify that the user supplied in the authentication request matches the owner of the application credential. An attacker can authenticate with their own application credential ID and secret while specifying a different user's name and domain in the request body. Keystone issues a token attributed to the victim user. The impersonated token is project-scoped and carries the intersection of the application credential's roles and the victim's actual roles on the project. This enables audit evasion, reading the victim's credentials, and acting as the victim within shared projects.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-42999

openstack-keystone: OpenStack Keystone: Unauthorized access and privilege escalation via arbitrary policy attribute injection

An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone RBAC policy enforcer in enforce_call unconditionally merges the raw JSON request body into the policy enforcement dictionary via policy_dict.update(json_input.copy()), overwriting trusted target data that was previously set from database lookups. Because flask.request.get_json is called with force=True, this works regardless of Content-Type or HTTP method. Any authenticated user can inject arbitrary policy target attributes (e.g., user_id, project_id) into the request body to bypass RBAC checks and perform unauthorized operations on resources belonging to other users or projects. This was introduced in commit 5ea59f52 (Rocky/14.0.0).

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-43000

keystone: OpenStack Keystone: Privilege escalation via chained application credential impersonation and trust misuse

An issue was discovered in OpenStack Keystone before 29.0.2. When combined with an application credential impersonation vulnerability, an attacker with the member role on a project can escalate to admin by chaining unrestricted application credentials with Keystone trusts. The impersonated token carries the victim's identity, which passes the trustor validation check. Keystone then validates the delegated roles against the victim's actual role assignments in the database, not the roles on the requesting token. This allows the attacker to create a trust delegating the victim's admin role to themselves. The trust persists independently, and additional trusts and application credentials can be created to maintain access. All actions are logged under the victim's identity.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-44394

openstack-keystone: OpenStack Keystone: Federated token rescoping allows indefinite access

An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone federated token rescoping mechanism does not propagate the original token's expiry to the newly issued token. When a federated user rescopes a token via POST /v3/auth/tokens, the handle_scoped_token() function in the mapped authentication plugin returns response data without an expires_at value. The token provider falls back to issuing a token with a fresh default TTL. By rescoping repeatedly before each token expires, a user can maintain access indefinitely, bypassing operator-configured token lifetime policies. This is a variant of CVE-2012-3426. Only deployments using federated identity (SAML2, OpenID Connect) are affected.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-44919

Infinite Loop in Checksum Calculations via /dev/zero URL in OpenStack Ironic Image Handling

In OpenStack Ironic through 35.x before a3f6d73, during image handling, an infinite loop in checksum calculations can occur via the file:///dev/zero URL.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-44916

In OpenStack Ironic before 35.0.2 (in a certain non-default configuration), instance_info['ks_template'] is rendered without sandboxing.

CVSS 3.1 · 3 Low EPSS < 1% KEV · Not listed
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CVE-2026-40213

Unrestricted API Access Enables Unauthorized FPGA Reprogramming in OpenStack Cyborg

OpenStack Cyborg before 16.0.1 uses rule:allow (check_str='@') as the default policy for multiple API endpoints. This unconditionally authorizes any request carrying a valid Keystone token regardless of roles, project membership, or scope. An authenticated user with zero role assignments can complete various actions such as reprogramming FPGA bitstreams on arbitrary compute nodes via agent RPC.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
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CVE-2026-40214

Cross‑Tenant Denial of Service via Unchecked Accelerator Request API

In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer. The project_id column in the database is never populated (NULL for every ARQ), database queries have no project filtering, and policy checks are self-referential (the authorize_wsgi decorator compares the caller's project_id with itself rather than the target resource). Any authenticated non-admin user can complete various actions such as deleting ARQs bound to other projects' instances, aka cross-tenant denial of service.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-42997

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 access to all OpenStack services Ironic is authorized for); or basic credentials configured for molds storage. The fixed versions are 26.1.6, 29.0.5, 32.0.1, and 35.0.1.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
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