CVE-2026-101062: Incorrect Authorization

Obot before v0.23.0 affected versions = v0.22.1 running with OBOTSERVERENABLEAUTHENTICATION=true exposes OAuth dynamic client registration without authentication and without any restriction on the redirect URIs a client may register. Because the authorization flow auto-completes for an already...

CVE-2026-93354

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

EUVD-2026-86453

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

CVE-2026-93354 Taskview Community Missing Authentication via OAuth Dynamic Client Registration

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

CVE-2026-93354 Taskview Community Missing Authentication via OAuth Dynamic Client Registration

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

CVE-2026-93354

Versions of Taskview Community before 1.56.0 are vulnerable to a missing authentication flaw in the OAuth 2.0 Dynamic Client Registration endpoint. Because this endpoint is enabled by default without authentication, unauthenticated attackers can submit a POST request to obtain a client_id and cli...

CVE-2026-93354 Taskview Community Missing Authentication via OAuth Dynamic Client Registration

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

PT-2026-98290

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

CVE-2026-93354: Initialization of a Resource with an Insecure Default

Taskview Community before 1.56.0 contains a missing authentication vulnerability that allows unauthenticated attackers to register arbitrary OAuth clients and take over user accounts by exploiting the OAuth 2.0 Dynamic Client Registration endpoint, which is enabled by default and requires no...

PT-2026-96832

Name of the Vulnerable Software and Affected Versions Postiz affected versions not specified Description Postiz uses Math.random instead of a cryptographically secure source to generate security-sensitive credentials. This affects OAuth access tokens, authorization codes, client secrets,...

Obot: OAuth Dynamic Client Registration Enables API Token Theft via Audience Confusion

Summary In affected versions, an unauthenticated attacker could register an OAuth client with an arbitrary external redirect URI, and the authorization flow would auto-complete without a consent screen. If a logged-in victim visited a crafted authorization URL, an authorization code was delivered...

PT-2026-99708

Name of the Vulnerable Software and Affected Versions Obot versions prior to 0.23.0 Description When running with OBOT SERVER ENABLE AUTHENTICATION=true, the software exposes OAuth dynamic client registration without authentication and without restrictions on redirect URIs. This allows an...

CVE-2026-12985

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component matching glob patterns against the raw URI string instead which allows a remote unauthenticated attacker to register an OAuth client with ...

CVE-2026-12985 Mattermost DCR redirect URI allowlist bypass via improper URL component validation

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component matching glob patterns against the raw URI string instead which allows a remote unauthenticated attacker to register an OAuth client with ...

CVE-2026-12985

Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, and 11.7.x

CVE-2026-12985 Mattermost DCR redirect URI allowlist bypass via improper URL component validation

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component matching glob patterns against the raw URI string instead which allows a remote unauthenticated attacker to register an OAuth client with ...

CVE-2026-90898 Bifrost unauthenticated remote code execution via MCP stdio client registration

Bifrost registers MCP clients through its management API. A stdio client is a command plus args. Bifrost starts that program in the gateway the moment the client is added. No MCP handshake required. The default is governance.authconfig.isenabled=false. Auth off means every caller is a local admin...

CVE-2026-90898 Bifrost unauthenticated remote code execution via MCP stdio client registration

Bifrost registers MCP clients through its management API. A stdio client is a command plus args. Bifrost starts that program in the gateway the moment the client is added. No MCP handshake required. The default is governance.authconfig.isenabled=false. Auth off means every caller is a local admin...

CVE-2026-12985: URL Redirection to Untrusted Site

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component matching glob patterns against the raw URI string instead which allows a remote unauthenticated attacker to register an OAuth client with ...

PT-2026-91221

Name of the Vulnerable Software and Affected Versions Mattermost version 11.9.0 Mattermost versions 11.8.0 through 11.8.4 Mattermost versions 11.7.0 through 11.7.7 Description An issue exists where the software fails to validate Dynamic Client Registration redirect URIs by URL component, instead...