CVE-2026-31944 LibreChat MCP OAuth callback does not validate browser session — allows token theft via redirect link

LibreChat is a ChatGPT clone with additional features. From 0.8.2 to 0.8.2-rc3, The MCP Model Context Protocol OAuth callback endpoint accepts the redirect from the identity provider and stores OAuth tokens for the user who initiated the flow, without verifying that the browser hitting the redire...

Storm-2561 Spreads Trojan VPN Clients via SEO Poisoning to Steal Credentials

Microsoft has disclosed details of a credential theft campaign that employs fake virtual private network VPN clients distributed through search engine optimization SEO poisoning techniques. "The campaign redirects users searching for legitimate enterprise software to malicious ZIP files on...

PT-2026-25381

Pigeon is a message board/notepad/social system/blog. Prior to 1.0.201, the application uses $ SERVER'HTTP HOST' without validation to construct email verification URLs in the register and resendmail flows. An attacker can manipulate the Host header in the HTTP request, causing the verification...

Windows File Explorer NTLM Forced Authentication Hash Disclosure 1.0

Windows File Explorer contains persistent forced authentication behavior that automatically transmits NTLM challenge-response hashes to remote SMB/WebDAV endpoints during routine file operations, enabling credential theft and potential domain compromise through NTLM relay attacks. This is not an...

PT-2026-25366

LibreChat is a ChatGPT clone with additional features. From 0.8.2 to 0.8.2-rc3, The MCP Model Context Protocol OAuth callback endpoint accepts the redirect from the identity provider and stores OAuth tokens for the user who initiated the flow, without verifying that the browser hitting the redire...

CVE-2026-32235

An allowlist bypass flaw has been discovered in the npm @backstage/plugin-auth-backend package. Instances that have enabled experimental Dynamic Client Registration or Client ID Metadata Documents and configured allowedRedirectUriPatterns are affected. A specially crafted redirect URI can pass th...

CVE-2026-32245

Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC token endpoint does not verify that the client exchanging an authorization code is the same client the code was issued to. A malicious OIDC client operator can exchange another client's authorization code using their...

CVE-2026-32235

Backstage is an open framework for building developer portals. Prior to 0.27.1, the experimental OIDC provider in @backstage/plugin-auth-backend is vulnerable to a redirect URI allowlist bypass. Instances that have enabled experimental Dynamic Client Registration or Client ID Metadata Documents a...

Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

In this article 1. From search to stolen credentials: Storm-2561 attack chain 2. Defending against credential theft campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise In mid-January 2026, Microsoft Defender Experts identified a credential theft campaign tha...

Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

In this article 1. From search to stolen credentials: Storm-2561 attack chain 2. Defending against credential theft campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise In mid-January 2026, Microsoft Defender Experts identified a credential theft campaign tha...

Malicious Package

Overview transform-es2015-parameters is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious...

Malicious Package

Overview @storylane/uikit is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious Behavior The...

Malicious Package

Overview react-you-might-not-need-an-effect is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Maliciou...

Malicious Package

Overview transform-es2015-shorthand-properties is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it...

Malicious Package

Overview developit is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious Behavior The package us...

Malicious Package

Overview prefer-let is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious Behavior The package...

Malicious Package

Overview transform-charcodes is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious Behavior The...

Malicious Package

Overview dazaar-cli is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious Behavior The package...

Malicious Package

Overview modules-umd-systemjs is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious Behavior The...

Malicious Package

Overview typescript-vue-apollo-smart-ops is a malicious package. This package was recognized as part of the 'PhantomRaven' supply chain campaign, which involves credential-stealing malware. The package impersonates well-known ecosystem plugins to deceive developers into installing it. Malicious...