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...

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 ...

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...

CVE-2026-33942

Saloon is a PHP library that gives users tools to build API integrations and SDKs. Versions prior to 4.0.0 used PHP's unserialize in AccessTokenAuthenticator::unserialize to restore OAuth token state from cache or storage, with allowedclasses = true. An attacker who can control the serialized...

CVE-2026-33942 Saloon has insecure deserialization in AccessTokenAuthenticator (object injection / RCE)

Saloon is a PHP library that gives users tools to build API integrations and SDKs. Versions prior to 4.0.0 used PHP's unserialize in AccessTokenAuthenticator::unserialize to restore OAuth token state from cache or storage, with allowedclasses = true. An attacker who can control the serialized...

CVE-2026-33942

Saloon PHP library prior to version 4.0.0 deserializes OAuth token state via PHP unserialize() in AccessTokenAuthenticator::unserialize() with allowed_classes enabled. An attacker who controls the serialized data (e.g., by overwriting a cached token or injection) can submit a gadget object; upon ...

Saloon 代码问题漏洞

Saloon is a PHP API integration and SDK library developed by Saloon PHP Open Source. Versions of Saloon prior to 4.0.0 had code vulnerabilities. These vulnerabilities stemmed from the use of un serialize in AccessTokenAuthenticator::un serialize, which used PHP’s un serialize method to restore th...

CVE-2026-28498 Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash...

CVE-2026-20994

URL redirection in Samsung Account prior to version 15.5.01.1 allows local attackers to potentially get access token...

CVE-2026-20994

URL redirection in Samsung Account prior to version 15.5.01.1 allows local attackers to potentially get access token...

CVE-2026-20994

URL redirection in Samsung Account prior to version 15.5.01.1 allows local attackers to potentially get access token...

CVE-2026-20994

CVE-2026-20994 affects Samsung Account prior to version 15.5.01.1, where a URL redirection flaw could allow attackers to obtain an access token. Affected product: Samsung Account; vulnerable component: URL redirection logic; root cause: improper handling of redirects leading to token exposure. Im...

CVE-2026-20994

URL redirection in Samsung Account prior to version 15.5.01.1 allows local attackers to potentially get access token...

CVE-2025-13723 IBM Sterling Partner Engagement Manager Information Disclosure

IBM Sterling Partner Engagement Manager 6.2.3.0 through 6.2.3.5 and 6.2.4.0 through 6.2.4.2 could allow an attacker to obtain sensitive user information using an expired access token...

EUVD-2026-11234

In Splunk Enterprise versions below 10.2.1 and 10.0.4, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, and 10.0.2503.12, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve the Observability Cloud API access token through the Discover...

Microsoft Graph Enterprise Intelligence Collector

This Metasploit auxiliary module interacts with the Microsoft Graph API to perform enterprise intelligence collection. It supports authentication using Azure AD application credentials or an existing access token and enables enumeration of Azure users, SharePoint sites, OneDrive files, and Exchan...

PT-2026-24738

In Splunk Enterprise versions below 10.2.1 and 10.0.4, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, and 10.0.2503.12, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve the Observability Cloud API access token through the Discover...