CVE-2026-54618 Obsidian Web MCP: Unauthenticated vault access: /oauth/authorize auto-approves without authenticating the user

Obsidian Web MCP is a secure remote MCP server for Obsidian vaults. Prior to 0.2.0, /oauth/authorize issues an authorization code without a login, consent, or session check, and /oauth/token can exchange that code for the static VAULTMCPTOKEN without authenticating a client. An unauthenticated...

CVE-2026-54618 Obsidian Web MCP: Unauthenticated vault access: /oauth/authorize auto-approves without authenticating the user

Obsidian Web MCP is a secure remote MCP server for Obsidian vaults. Prior to 0.2.0, /oauth/authorize issues an authorization code without a login, consent, or session check, and /oauth/token can exchange that code for the static VAULTMCPTOKEN without authenticating a client. An unauthenticated...

CVE-2026-54618

Obsidian Web MCP , a remote MCP server for Obsidian vaults, contained an authentication bypass prior to version 0.2.0. The /oauth/authorize endpoint issued an authorization code without any login, consent, or session check, and /oauth/token allowed exchanging that code for the static VAULT_MCP_TO...

PT-2026-95077

Name of the Vulnerable Software and Affected Versions Obsidian Web MCP versions prior to 0.2.0 Description An authentication bypass exists where the '/oauth/authorize' endpoint issues an authorization code without requiring login, consent, or a session check. Subsequently, the '/oauth/token'...

CVE-2026-62280 OpenAM Reflected XSS in the OAuth2/OIDC `wap` consent page

Open Access Management OpenAM is an access management solution. From 13.0.0 until 16.1.2, the OAuth2 authorize endpoint's display=wap consent page reflects request-derived values through ConsentRequiredResource and wap/authorize.ftl without HTML escaping. An attacker can induce a user with an...

CVE-2026-62280: Improper Neutralization of Input During Web Page Generation

Open Access Management OpenAM is an access management solution. From 13.0.0 until 16.1.2, the OAuth2 authorize endpoint's display=wap consent page reflects request-derived values through ConsentRequiredResource and wap/authorize.ftl without HTML escaping. An attacker can induce a user with an...

CVE-2026-54072

Authorizer , an open-source self-hostable authentication and authorization server, is affected by an unvalidated redirect_uri in its /authorize endpoint prior to version 2.2.1 . When response_type=token or response_type=id_token, the server appends access_token , id_token , and refresh_token as q...

CVE-2026-54072 Authorizer: Unvalidated redirect_uri in /authorize leaks OAuth2 tokens to attacker-controlled URL

Authorizer is an open-source, self-hostable authentication and authorization server. Prior to version 2.2.1, the /authorize endpoint accepts any redirecturi without validating it against AllowedOrigins. When responsetype=token or responsetype=idtoken, the server appends accesstoken, idtoken, and...

CVE-2026-54072 Authorizer: Unvalidated redirect_uri in /authorize leaks OAuth2 tokens to attacker-controlled URL

Authorizer is an open-source, self-hostable authentication and authorization server. Prior to version 2.2.1, the /authorize endpoint accepts any redirecturi without validating it against AllowedOrigins. When responsetype=token or responsetype=idtoken, the server appends accesstoken, idtoken, and...

CVE-2026-82753 Unauthenticated authorize requests create unbounded, never-expiring CIMD client rows and cache entries in ash_authentication_oauth2_server

Allocation of Resources Without Limits or Throttling vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to exhaust database storage and memory. The /authorize endpoint is unauthenticated by design. With Client ID Metadata Documents enabled, resolveclient...

CVE-2026-82753

ash_authentication_oauth2_server (ash-project) suffers from an Allocation of Resources Without Limits or Throttling vulnerability in the /authorize endpoint when Client ID Metadata Documents (CIMD) are enabled. The resolve_client/3 function fetches a metadata document for each new URL-shaped clie...

CVE-2026-82753: Allocation of Resources Without Limits or Throttling

Allocation of Resources Without Limits or Throttling vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to exhaust database storage and memory. The /authorize endpoint is unauthenticated by design. With Client ID Metadata Documents enabled, resolveclient...

GO-2026-6305 Pocket-ID has an Open Redirect on the OIDC /authorize page via unvalidated redirect_uri with prompt=none in github.com/pocket-id/pocket-id/backend

Pocket-ID has an Open Redirect on the OIDC /authorize page via unvalidated redirecturi with prompt=none in github.com/pocket-id/pocket-id/backend. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this ...

Yamcs has Reflected XSS in the URL of the Authorize Endpoint

Attack type: Unauthenticated remote Impact: Attackers can execute arbitrary JavaScript in a user's browser, including obtaining a user's session token and refresh token. Affected components: authorize.html, AuthHandler.java, HandlerContext.java A Reflected Cross-Site Scripting vulnerability...

GHSA-RXPG-WJF8-QV9C Yamcs has Reflected XSS in the URL of the Authorize Endpoint

Attack type: Unauthenticated remote Impact: Attackers can execute arbitrary JavaScript in a user's browser, including obtaining a user's session token and refresh token. Affected components: authorize.html, AuthHandler.java, HandlerContext.java A Reflected Cross-Site Scripting vulnerability...

CVE-2026-55549 Yamcs: Reflected XSS in the URL of the Authorize Endpoint

Yamcs is a mission control framework. Prior to 5.9.4, Yamcs reflects an attacker-controlled redirecturi parameter from GET /auth/authorize into yamcs-core/src/main/resources/auth/templates/authorize.html without adequate HTML escaping by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.ja...

EUVD-2026-67841

Yamcs is a mission control framework. Prior to 5.9.4, Yamcs reflects an attacker-controlled redirecturi parameter from GET /auth/authorize into yamcs-core/src/main/resources/auth/templates/authorize.html without adequate HTML escaping by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.ja...

CVE-2026-55549 Yamcs: Reflected XSS in the URL of the Authorize Endpoint

Yamcs is a mission control framework. Prior to 5.9.4, Yamcs reflects an attacker-controlled redirecturi parameter from GET /auth/authorize into yamcs-core/src/main/resources/auth/templates/authorize.html without adequate HTML escaping by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.ja...

CVE-2026-55549

Yamcs is a mission control framework. Prior to 5.9.4, Yamcs reflects an attacker-controlled redirecturi parameter from GET /auth/authorize into yamcs-core/src/main/resources/auth/templates/authorize.html without adequate HTML escaping by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.ja...

Pocket-ID has an Open Redirect on the OIDC /authorize page via unvalidated redirect_uri with prompt=none

Summary The OIDC authorization page in the pocket-id frontend redirects the browser to an attacker-controlled URL without consulting the backend redirecturi allow-list when the request uses prompt=none. An attacker who knows a valid clientid can craft an /authorize link that sends a victim or a...