CVE-2026-101271 OAuth credentials not disabled when application is disabled

OAuth credentials access tokens are valid for the entirety of their lifetime, even if the application OAuth client they are bound to is manually disabled...

CVE-2026-86157

Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled...

CVE-2026-86158

Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...

CVE-2026-86158 Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere

Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...

CVE-2026-86158 Missing Authentication in the local .NET backend of Progress Telerik Fiddler Everywhere

Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...

CVE-2026-86158

Progress Software Fiddler Everywhere 8.0.2 contains a vulnerability due to missing authentication in its local .NET backend (Fiddler.WebUi ). A local unauthenticated attacker can exploit unauthenticated localhost HTTP and SignalR RPC channels to mint OAuth tokens and read the machine-in-the-middl...

EUVD-2026-88649

Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...

CVE-2026-86157

Progress Telerik Fiddler Everywhere versions prior to 8.2.0 are vulnerable to the exposure of privileged IPC functionality . A local, low-privileged attacker who can modify application launch parameters and influence a user to start the application can replace the UI or settings with attacker-con...

EUVD-2026-88648

Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled...

CVE-2026-86157 Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere

Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled...

Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials

A malicious MCP server could trick an application built on the official MCP Python SDK into handing over the OAuth credentials it uses to log in to a real service, the SDK's maintainers said in a security advisory. Affected versions sent the client secret, the authorization code, and the PKCE pro...

CVE-2026-102374

GestSup versions before 3.2.62 contain a stored cross-site scripting vulnerability in the IMAP OAuth connector that double-decodes MIME-encoded email subjects after HTML escaping. Unauthenticated attackers can send crafted emails to monitored mailboxes with nested MIME encoded-words to inject...

CVE-2026-102374 GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector

GestSup versions before 3.2.62 contain a stored cross-site scripting vulnerability in the IMAP OAuth connector that double-decodes MIME-encoded email subjects after HTML escaping. Unauthenticated attackers can send crafted emails to monitored mailboxes with nested MIME encoded-words to inject...

EUVD-2026-88598

GestSup versions before 3.2.62 contain a stored cross-site scripting vulnerability in the IMAP OAuth connector that double-decodes MIME-encoded email subjects after HTML escaping. Unauthenticated attackers can send crafted emails to monitored mailboxes with nested MIME encoded-words to inject...

CVE-2026-102374 GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP Connector

GestSup versions before 3.2.62 contain a stored cross-site scripting vulnerability in the IMAP OAuth connector that double-decodes MIME-encoded email subjects after HTML escaping. Unauthenticated attackers can send crafted emails to monitored mailboxes with nested MIME encoded-words to inject...

CVE-2026-102374

Versions of GestSup prior to 3.2.62 are vulnerable to a stored cross-site scripting (XSS) vulnerability within the IMAP OAuth connector . The root cause is the double-decoding of MIME-encoded email subjects after HTML escaping has already occurred. This allows unauthenticated attackers to send cr...

CVE-2026-86157: Exposed Dangerous Method or Function

Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled...

CVE-2026-102374: Improper Neutralization of Input During Web Page Generation

GestSup versions before 3.2.62 contain a stored cross-site scripting vulnerability in the IMAP OAuth connector that double-decodes MIME-encoded email subjects after HTML escaping. Unauthenticated attackers can send crafted emails to monitored mailboxes with nested MIME encoded-words to inject...

PT-2026-102454

Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled...

CVE-2026-102877: Server-Side Request Forgery (SSRF)

Fider before 0.38.0 contains a server-side request forgery vulnerability due to a time-of-check time-of-use gap in URL validation for webhooks and custom OAuth provider endpoints. Administrators controlling DNS can perform DNS rebinding attacks to make the Fider server send requests to internal...