USN-8179-1 linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8 vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

EUVD-2026-22971

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...

CVE-2026-20184

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...

CVE-2026-20184

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...

CVE-2026-20184

CVE-2026-20184 affects Cisco Webex Services via the SSO integration with Control Hub. Root cause: improper certificate validation in the SSO/token handling path. Exploitation could allow an unauthenticated, remote attacker to impersonate any user when connecting to a service endpoint with a craft...

Cisco Webex Services Certificate Validation Vulnerability

A vulnerability in the integration of single sign-on SSO with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability...

PT-2026-33093

Name of the Vulnerable Software and Affected Versions Cisco Webex Meetings versions 39.6 through 45.4 Description An issue in the integration of single sign-on SSO with Control Hub in Cisco Webex Services allows an unauthenticated, remote attacker to impersonate any user within the service. This...

📄 Kiuwan SAST 2.8.2412.0 Improper Enforcement

It was found out that a user is still able to login at the Kiuwan WebUI via SSO, even if the Kiuwan mapped account has been disabled in the user settings by an admin. This issue has been addressed in version 2.8.2509.4. SEC Consult Vulnerability Lab Security Advisory...

CVE-2026-34454

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout flow, a user may be...

Insufficient Session Expiration

Overview github.com/oauth2-proxy/oauth2-proxy/v7 is a reverse proxy that provides authentication with Google, Github or other providers. Affected versions of this package are vulnerable to Insufficient Session Expiration through the SignInPage handler in oauthproxy.go. An attacker can keep a...

EUVD-2026-22758

OAuth2 Proxy's session cookies are not cleared when rendering sign-in page...

GHSA-F24X-5G9Q-753F OAuth2 Proxy's session cookies are not cleared when rendering sign-in page

Impact A regression introduced in v7.11.0 is preventing OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. This only impacts deployments that rely on the sign-in page as part of their logout flow. In those setups, a user may be shown the sign-in page while the existing...

OAuth2 Proxy's session cookies are not cleared when rendering sign-in page

Impact A regression introduced in v7.11.0 is preventing OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. This only impacts deployments that rely on the sign-in page as part of their logout flow. In those setups, a user may be shown the sign-in page while the existing...

CVE-2026-34454 OAuth2 Proxy: Session cookie not cleared when rendering sign-in page

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout flow, a user may be...

CVE-2026-34454

OAuth2 Proxy (oauth2-proxy) has a regression introduced in 7.11.0 where the session cookie is not cleared when rendering the sign-in page. This can allow a remaining authenticated session on the browser, particularly for logout flows that rely on the sign-in page. The issue is fixed in 7.15.2. De...

CVE-2026-34454 OAuth2 Proxy: Session cookie not cleared when rendering sign-in page

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout flow, a user may be...

CVE-2026-34454

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout flow, a user may be...

CVE-2026-34454 OAuth2 Proxy: Session cookie not cleared when rendering sign-in page

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. A regression introduced in 7.11.0 prevents OAuth2 Proxy from clearing the session cookie when rendering the sign-in page. In deployments that rely on the sign-in page as part of their logout flow, a user may be...

EUVD-2026-22245

Kiuwan SAST improperly authorizes SSO logins for locally disabled mapped user accounts, allowing disabled users to continue accessing the application. Kiuwan Cloud was affected, and Kiuwan SAST on-premise KOP was affected before 2.8.2509.4...

CVE-2026-24069

Kiuwan SAST improperly authorizes SSO logins for locally disabled mapped user accounts, allowing disabled users to continue accessing the application. Kiuwan Cloud was affected, and Kiuwan SAST on-premise KOP was affected before 2.8.2509.4...