CVE-2026-9793 Keycloak: keycloak: security policy bypass in jwe-encrypted request object processing

A flaw was found in Keycloak. When a JSON Web Encryption JWE encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leadin...

CVE-2026-44707 Chatwoot: Pre-Account Takeover via OAuth on Unconfirmed Accounts

Chatwoot is a customer engagement suite. From 2.14.0 to before 4.13.0, a Pre-Account Takeover Pre-ATO vulnerability existed in Chatwoot's authentication flow. Because email confirmation was not enforced before an account became usable, an attacker could pre-register an email address they did not...

PT-2026-41644

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

CVE-2026-44428 MCP Registry: GitHub OIDC tokens replayable across registry deployments due to shared audience

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.6, the client-side and server-side GitHub OIDC flow is bound only to a global audience string, not to the specific registry instance being targeted. On the client side, the publisher...

Open WebUI vulnerable to stored XSS via OAuth picture claim stored as SVG data URI in profile_image_url

Summary When a user signs in via OAuth, Open WebUI fetches the picture claim URL, infers a MIME type from the URL extension via mimetypes.guesstype, and stores data:;base64,... as the user's profile image. The OAuth code path does not go through the validateprofileimageurl Pydantic validator that...

EUVD-2026-29373

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks...

CVE-2026-45430

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks...

CVE-2026-45430

CVE-2026-45430 affects the Salesforce module for Backdrop CMS (vulnerable: 1.x-1.0.0 and earlier; fixed in 1.x-1.0.1 or later). The root cause is the module not properly using a random state parameter to protect the OAuth-like authorization flow, leaving it susceptible to CSRF attacks. The CVSSv3...

CVE-2026-45430

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks...

CVE-2026-45430

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks...

CVE-2026-45430

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks...

PT-2026-39931

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks...

CVE-2026-43875 WWBN AVideo: Password Hash Leaked in MobileManager OAuth Redirect URL Enables Account Takeover

WWBN AVideo is an open source video platform. In versions up to and including 29.0, plugin/MobileManager/oauth2.php completes an OAuth login by sending an HTTP 302 Location: oauth2Success.php?user=&pass= where is the victim's stored password hash md5hash"whirlpool", sha1password read directly fro...

CVE-2026-42565 @workos/authkit-session: Open Redirect via state-derived redirect target

@workos/authkit-session is a toolkit for building WorkOS AuthKit framework integrations. Prior to 0.5.1, an open redirect vulnerability exists in AuthService.handleCallback due to insufficient validation of the returnPathname value derived from the OAuth state parameter. The state parameter is...

CVE-2026-42206

Roadiz is a polymorphic content management system based on a node system. Prior to versions 2.3.43, 2.5.45, 2.6.31, and 2.7.18, the roadiz/openid package generates an OIDC nonce in OAuth2LinkGenerator::generate and includes it in the authorization request sent to the identity provider, but never...

Use of GET Request Method With Sensitive Query Strings

Overview wwbn/avideo is an Audio and Video Platform or simply "A Video Platform". Affected versions of this package are vulnerable to Use of GET Request Method With Sensitive Query Strings in the OAuth login process, where the user's password hash is included as a query parameter in a redirect UR...

PT-2026-37291

Name of the Vulnerable Software and Affected Versions AVideo versions prior to 29.0 Description An issue exists where the endpoint 'plugin/MobileManager/oauth2.php' completes an OAuth login by redirecting the user to 'oauth2Success.php' via an HTTP 302 response. This redirect includes the user's...

CVE-2026-42235 n8n: XSS via MCP OAuth client

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an unauthenticated attacker could register a malicious MCP OAuth client with a crafted clientname. If a victim user authorized the OAuth consent dialog and a second user subsequently revoked that...

CVE-2026-42230 n8n: Open Redirect in MCP OAuth Consent Flow

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /mcp-oauth/register endpoint accepted OAuth client registrations without authentication, allowing arbitrary redirecturi values to be registered. When a user denies the MCP OAuth consent dialog,...

CVE-2026-4296

An incorrect regular expression vulnerability was identified in GitHub Enterprise Server that allowed an attacker to bypass OAuth redirect URI validation. An attacker with knowledge of a first-party OAuth application's registered callback URL could craft a malicious authorization link that, when...