Admidio Sends SAML Response to Unvalidated Assertion Consumer Service URL from AuthnRequest

Summary The SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the registered ACS URL smcacsurl stored in the database for the...

CVE-2026-41059

A flaw was found in OAuth2 Proxy. An unauthenticated attacker can exploit a configuration-dependent authentication bypass by sending a crafted request containing a number sign in the path. This allows the OAuth2 Proxy to incorrectly match a public allowlist rule, leading to the exposure of...

EUVD-2026-25282

Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up based on e-mail domain names, and performs basic validation on e-mail addresses, but fails to restrict characters that are interpreted...

CVE-2026-41259 Mastodon: Insufficient verification of email addresses

Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up based on e-mail domain names, and performs basic validation on e-mail addresses, but fails to restrict characters that are interpreted...

CVE-2026-41259 Mastodon: Insufficient verification of email addresses

Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up based on e-mail domain names, and performs basic validation on e-mail addresses, but fails to restrict characters that are interpreted...

PT-2026-34728

Name of the Vulnerable Software and Affected Versions Mastodon versions prior to 4.5.9 Mastodon versions prior to 4.4.16 Mastodon versions prior to 4.3.22 Description Mastodon allows restricting new user sign-up based on e-mail domain names and performs basic validation on e-mail addresses, but i...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the POST /api/lunchflow/link endpoint, which insufficiently validates user-supplied URLs and fails to restrict access to internal or sensitive network addresses. An attacker can cause the server to...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the POST /api/lunchflow/link endpoint, which insufficiently validates user-supplied URLs and fails to restrict access to internal or sensitive network addresses. An attacker can cause the server to...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the POST /api/lunchflow/link endpoint, which insufficiently validates user-supplied URLs and fails to restrict access to internal or sensitive network addresses. An attacker can cause the server to...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the POST /api/lunchflow/link endpoint, which insufficiently validates user-supplied URLs and fails to restrict access to internal or sensitive network addresses. An attacker can cause the server to...

CVE-2026-40574 OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Prior to 7.15.2, an authorization bypass exists in OAuth2 Proxy as part of the emaildomain enforcement option. An attacker may be able to authenticate with an email claim such as [email protected]@company.com and...

PT-2026-36837

Name of the Vulnerable Software and Affected Versions D-Link DIR-456U Hardware Revision A1 Description The device contains a hardcoded telnet backdoor. At boot, a telnet daemon is started via the script '/etc/init0.d/S80telnetd.sh' using the username "Alphanetworks" and a static password "whdrv01...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the providerFlowSignIn process. An attacker can gain unauthorized access to another user's account by exploiting improper handling of email verification status from OAuth providers. This allows the attacker to...

EUVD-2026-7736

Sentry: Improper authentication on SAML SSO process allows user identity linking...

EUVD-2025-209514

Plaintext Storage of a Password vulnerability in Sparx Systems Pty Ltd. Sparx Pro Cloud Server. In a setup where OpenID is used as the primary method of authentication to authenticate to Sparx EA, Pro Cloud Server creates local passwords to the users and stores them in plaintext...

USN-8184-1 linux-realtime, linux-realtime-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...

Lack of vulnerability awareness in Cisco WebEx Services

Cisco has identified a vulnerability in Cisco Webex Services, specifically in the SSO integration with Control Hub. The vulnerability lies in the incorrect validation of certificates during the SSO integration of Cisco Webex Services through Control Hub. An unauthenticated external attacker can...

USN-8177-2: Linux kernel (Real-time) 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007221)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007221 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign...

BIT-OAUTH2-PROXY-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...