CVE-2026-35383

Bentley Systems iTwin Platform exposed a Cesium ion access token in the source of some web pages. An unauthenticated attacker could have used this token to enumerate or delete assets. As of 2026-03-27, the token is no longer present in the pages and cannot be used to enumerate or delete assets. T...

EUVD-2026-18206

A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers URIs that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information...

keycloak: Keycloak: Information disclosure due to redirect_uri validation bypass

A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers URIs that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information...

CVE-2026-29782

OpenSTAManager is an open source management software for technical assistance and invoicing. Prior to version 2.10.2, the oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skippermissions = true. It loads a record from the zzoauth2 table using the attacker-controlled GET parameter...

CVE-2026-3872

A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers URIs that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information...

CVE-2026-3872

CVE-2026-3872 involves Keycloak and describes a flaw where an attacker controlling another path on the same web server can bypass the allowed path in redirect URIs that use a wildcard. This bypass can lead to information disclosure by theft of an access token. The connected documents confirm the ...

CVE-2026-3872 Keycloak: keycloak: information disclosure due to redirect_uri validation bypass

A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers URIs that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information...

CVE-2026-3872

A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers URIs that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information...

Deserialization of Untrusted Data

Overview devcode-it/openstamanager is a management software for technical assistance and electronic invoicing Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the unserialize process of the accesstoken field in the OAuth2 configuration flow, where...

OpenSTAManager Affected by Remote Code Execution via Insecure Deserialization in OAuth2

Description The oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skippermissions = true. It loads a record from the zzoauth2 table using the attacker-controlled GET parameter state, and during the OAuth2 configuration flow calls unserialize on the accesstoken field without any...

PT-2026-29658

Description The oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skip permissions = true. It loads a record from the zz oauth2 table using the attacker-controlled GET parameter state, and during the OAuth2 configuration flow calls unserialize on the access token field without any...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview fastmcp is a The fast, Pythonic way to build MCP servers and clients. Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' in the OAuthProxy.handleidpcallback function. An attacker can gain unauthorized access to resources associated with...

CVE-2026-33884

Statamic is a Laravel and Git powered content management system CMS. Prior to versions 5.73.16 and 6.7.2, an authenticated Control Panel user with access to live preview could use a live preview token to access restricted content that the token was not intended for. This has been fixed in 5.73.16...

CVE-2026-33884

Statamic is a Laravel and Git powered content management system CMS. Prior to versions 5.73.16 and 6.7.2, an authenticated Control Panel user with access to live preview could use a live preview token to access restricted content that the token was not intended for. This has been fixed in 5.73.16...

CVE-2026-31951 LibreChat's MCP Server Header Injection Enables OAuth Token Theft

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc1 through 0.8.3-rc1, user-created MCP Model Context Protocol servers can include arbitrary HTTP headers that undergo credential placeholder substitution. An attacker can create a malicious MCP server with headers containin...

Saloon has insecure deserialization in AccessTokenAuthenticator

Impact Users of the OAuth2 utilities in Saloon, specifically the AccessTokenAuthenticator class. Patches Upgrade to Saloon v4+ Upgrade guide: https://docs.saloon.dev/upgrade/upgrading-from-v3-to-v4 Description The Saloon PHP library used PHP's unserialize in AccessTokenAuthenticator::unserialize ...

GHSA-RF88-776R-RCQ9 Saloon has insecure deserialization in AccessTokenAuthenticator

Impact Users of the OAuth2 utilities in Saloon, specifically the AccessTokenAuthenticator class. Patches Upgrade to Saloon v4+ Upgrade guide: https://docs.saloon.dev/upgrade/upgrading-from-v3-to-v4 Description The Saloon PHP library used PHP's unserialize in AccessTokenAuthenticator::unserialize ...

EUVD-2026-16309

A flaw was found in Keycloak. The User-Managed Access UMA 2.0 Protection API endpoint for permission tickets fails to enforce the umaprotection role check. This allows any authenticated user with a token issued for a resource server client, even without the umaprotection role, to enumerate all...

CVE-2026-3582

An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with a classic personal access token PAT lacking the repo scope to retrieve issues and commits from private and internal repositories via the search REST API endpoints. The user...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the unserialize process of the AccessTokenAuthenticator class when restoring OAuth token state from cache or storage using PHP's unserialize with allowedclasses = true. An attacker can achieve...