OpenStack Keystone: OpenStack Keystone: Unauthorized cross-project access due to improper validation in EC2 credential creation

A flaw was found in OpenStack Keystone. An attacker holding an unrestricted application credential could exploit a vulnerability in the POST /v3/credentials endpoint where the caller-supplied projectid for an EC2-type credential was not validated against the project of the authenticating...

Important: Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0 (openstack-keystone) security update

An update for openstack-keystone is now available for Red Hat OpenStack Services on OpenShift 18.0 Antelope. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : Red Hat OpenStack Services on OpenShift 18.0 (erlang) (RHSA-2026:39809)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:39809 advisory. Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fau...

RHEL 9 : Red Hat OpenStack Services on OpenShift 18.0 (golang-github-openstack-k8s-operators-os-diff) (RHSA-2026:39810)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:39810 advisory. Security Fixes: net/url: Memory exhaustion in query parameter parsing in net/url CVE-2025-61726 golang: Denial of Service due to excessive...

PYSEC-2026-2519 OpenStack Horizon RC file generation does not escape special characters in project names

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...

PYSEC-2026-2678 OpenStack Neutron has an Incorrect Authorization issue

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...

PYSEC-2026-3080 OpenStack Swift: 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-server worker handling the request to become permanently...

PYSEC-2026-2524 OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices

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...

OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices

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...

PYSEC-2026-2854 OpenStack Cyborg's Accelerator Request (ARQ) API does not enforce project ownership at any layer

In OpenStack Cyborg before 16.0.1, the Accelerator Request ARQ API does not enforce project ownership at any layer. The projectid column in the database is never populated NULL for every ARQ, database queries have no project filtering, and policy checks are self-referential the authorizewsgi...

PYSEC-2026-2853 OpenStack Cyborg uses rule:allow (check_str='@') as the default policy for multiple API endpoints

OpenStack Cyborg before 16.0.1 uses rule:allow checkstr='@' 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 complet...

OpenStack Ironic has an Incorrect Resource Transfer Between Spheres

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; o...

PYSEC-2026-2526 OpenStack Ironic has an Incorrect Resource Transfer Between Spheres

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; o...

PYSEC-2026-2520 OpenStack Horizon has Incorrect Behavior Order

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 of the CVE-2014-8124 fix...

OpenStack Ironic is Vulnerable to Inclusion of Functionality from Untrusted Control Sphere

OpenStack Ironic before 35.0.1 allows ipmitool execution in a non-default configuration that has a console interface...

PYSEC-2026-2525 OpenStack Ironic is Vulnerable to Inclusion of Functionality from Untrusted Control Sphere

OpenStack Ironic before 35.0.1 allows ipmitool execution in a non-default configuration that has a console interface...

PYSEC-2026-2492 OpenStack Glance is affected by Server-Side Request Forgery (SSRF)

OpenStack Glance versions = 30.0.0 30.1.1, == 31.0.0 are affected by Server-Side Request Forgery SSRF. By use of HTTP redirects, an authenticated user can bypass URL validation checks and redirect to internal services. Only the glance image import functionality is affected. In particular, the...

PYSEC-2026-2685 OpenStack Nova calls qemu-img without format restrictions for resize

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 to call qemu-img without a format restriction, resulting in a...

PYSEC-2026-2414 OpenStack Cinder, Glance, and Nova vulnerable to arbitrary file access

An issue was discovered in OpenStack Cinder through 24.0.0, Glance before 28.0.2, and Nova before 29.0.3. Arbitrary file access can occur via custom QCOW2 external data. By supplying a crafted QCOW2 image that references a specific data file path, an authenticated user may convince systems to...

PYSEC-2026-2493 OpenStack Cinder, Glance, and Nova vulnerable to arbitrary file access

An issue was discovered in OpenStack Cinder through 24.0.0, Glance before 28.0.2, and Nova before 29.0.3. Arbitrary file access can occur via custom QCOW2 external data. By supplying a crafted QCOW2 image that references a specific data file path, an authenticated user may convince systems to...