CVE-2026-17197 IBM i is Affected By Multiple Vulnerabilities in Host Servers

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity...

CVE-2026-17197

IBM i (7.3–7.6) is affected by CVE-2026-17197 due to improper validation of client-asserted identity, enabling a remote attacker to bypass security restrictions. The IBM Security Bulletin lists multiple related host-server vulnerabilities and assigns a high overall risk (CVSS v3.1: 8.1–8.2 depend...

PT-2026-71726

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity...

GHSA-5WG6-JMQ2-53PW Coder's workspace app CORS origin check can be bypassed via UUID-based subdomain spoofing

Summary Coder's subdomain-based workspace app proxy allowed the same-owner CORS check to be bypassed. When a workspace-name subdomain segment parsed as a UUID, the workspace was resolved by ID without confirming the URL's username matched the real owner, while the CORS middleware trusted the...

CVE-2026-13208

A flaw was found in KubeVirt's virt-handler domain notify server. The gRPC handlers for HandleDomainEvent and HandleK8SEvent derive the VMI identity namespace/name solely from the request body without validating it against the connection's origin. Each virt-launcher pod connects through a per-VMI...

PT-2026-43378

code100x contains an authentication bypass vulnerability in the Mobile API that allows unauthenticated attackers to impersonate arbitrary users by supplying a crafted JSON payload in the 'g' HTTP header. The middleware in middleware.ts skips identity header generation when an Auth-Key header is...

GHSA-FG35-5RF6-QG3G Mattermost allows attackers to take over arbitrary user accounts via overly permissive substring matching flaw

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...

CVE-2026-27656

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...

CVE-2026-27656

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...

PT-2026-27989

Name of the Vulnerable Software and Affected Versions Mattermost versions 11.4.0 and earlier, 11.3.1 and earlier, 11.2.3 and earlier, 10.11.11 and earlier Description The software does not properly validate user identity within the OpenID IsSameUser comparison logic. This flaw, stemming from over...

GHSA-H7VR-CG25-JF8C StudioCMS: IDOR — Admin-to-Owner Account Takeover via Password Reset Link Generation

Summary The POST /studiocmsapi/dashboard/create-reset-link endpoint allows any authenticated user with admin privileges to generate a password reset token for any other user, including the owner account. The handler verifies that the caller is an admin but does not enforce role hierarchy, nor doe...

OpenProject 安全漏洞

OpenProject is an open-source web-based project management software. Versions of OpenProject prior to 17.2.0 had security vulnerabilities. These vulnerabilities stemmed from improper validation of user identities during the editing of project budgets, planning labor costs, and the front-end cost...

CVE-2026-1994

The s2Member plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 260127. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to...

CVE-2026-1994 s2Member <= 260127 - Unauthenticated Privilege Escalation via Account Takeover

The s2Member plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 260127. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to...

GHSA-W65C-FVP5-FVC5 Mattermost Plugin Zoom fail to validate user identity and post ownership in the {{/api/v1/askPMI}} endpoint

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 and Mattermost Plugin Zoom versions =1.11.0 fail to validate user identity and post ownership in the /api/v1/askPMI endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via...

CVE-2026-0998

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 and Mattermost Plugin Zoom versions =1.11.0 fail to validate user identity and post ownership in the /api/v1/askPMI endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via...

CVE-2026-0998 Mattermost Zoom Plugin allows unauthorized meeting creation and post modification via insufficient API access controls

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 and Mattermost Plugin Zoom versions =1.11.0 fail to validate user identity and post ownership in the /api/v1/askPMI endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via...

PT-2026-8329

Name of the Vulnerable Software and Affected Versions Mattermost versions 11.1.x through 11.1.2 Mattermost versions 10.11.x through 10.11.9 Mattermost versions 11.2.x through 11.2.1 Mattermost Plugin Zoom versions through 1.11.0 Description The software does not properly validate user identity an...

CVE-2025-14996

The AS Password Field In Default Registration Form plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 2.0.0. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it...

VulnCheck KEV: CVE-2025-14998

The Branda plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 3.4.24. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to...