CVE-2026-73310

XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows attackers controlling any allowlisted redirect URI to bypass redirect URI binding by submitting a different allowlisted URI than the one recorded at authorization time. Attackers can then exchange an int...

CVE-2026-73310 XenForo < 2.3.13 OAuth2 Authorization Code Token Theft via redirect_uri Bypass

XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows attackers controlling any allowlisted redirect URI to bypass redirect URI binding by submitting a different allowlisted URI than the one recorded at authorization time. Attackers can exchange an...

EUVD-2026-72781

XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows attackers controlling any allowlisted redirect URI to bypass redirect URI binding by submitting a different allowlisted URI than the one recorded at authorization time. Attackers can exchange an...

CVE-2026-80219

A flaw was found in hawtio-operator. When deploying Hawtio in cluster mode, the operator creates a cluster-scoped OAuthClient with automatic grant approval GrantMethod: auto and no client secret public client. The redirect URIs are derived from the operator-created Route, whose hostname is...

CVE-2026-80219 Hawtio-operator: hawtio-operator: oauthclient created with grantmethod auto and no secret enables oauth token theft

A flaw was found in hawtio-operator. When deploying Hawtio in cluster mode, the operator creates a cluster-scoped OAuthClient with automatic grant approval GrantMethod: auto and no client secret public client. The redirect URIs are derived from the operator-created Route, whose hostname is...

CVE-2026-80219 Hawtio-operator: hawtio-operator: oauthclient created with grantmethod auto and no secret enables oauth token theft

A flaw was found in hawtio-operator. When deploying Hawtio in cluster mode, the operator creates a cluster-scoped OAuthClient with automatic grant approval GrantMethod: auto and no client secret public client. The redirect URIs are derived from the operator-created Route, whose hostname is...

CVE-2026-80219

A flaw in hawtio-operator (OpenShift cluster mode) allows OAuth token theft. The operator creates a cluster-scoped OAuthClient with GrantMethod: auto and no client secret (public client). Because redirect URIs are derived from an operator-created Route whose hostname is tenant-controlled via the ...

EUVD-2026-72694

A flaw was found in hawtio-operator. When deploying Hawtio in cluster mode, the operator creates a cluster-scoped OAuthClient with automatic grant approval GrantMethod: auto and no client secret public client. The redirect URIs are derived from the operator-created Route, whose hostname is...

CVE-2026-80219

A flaw was found in hawtio-operator. When deploying Hawtio in cluster mode, the operator creates a cluster-scoped OAuthClient with automatic grant approval GrantMethod: auto and no client secret public client. The redirect URIs are derived from the operator-created Route, whose hostname is...

CVE-2026-86492

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

Fake IT Calls Target Executives in Microsoft 365 Data Theft and Extortion Attacks

Threat hunters have disclosed details of a widespread data theft and extortion threat cluster that's targeting Microsoft 365 and other software-as-a-service SaaS offerings through information technology IT help desk vishing, adversary-in-the-middle AitM token theft, and residential-proxy sign-ins...

CVE-2026-84803

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in asset serving due to an incomplete extension blocklist that misses script-capable file types. Attackers can upload files with extensions like .xht, .ehtml, .xsl, .xbl, or .rdf that resolve to executable media types and...

CVE-2026-84803 SiYuan before v3.8.2 Stored XSS via incomplete asset blocklist

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in asset serving due to an incomplete extension blocklist that misses script-capable file types. Attackers can upload files with extensions like .xht, .ehtml, .xsl, .xbl, or .rdf that resolve to executable media types and...

EUVD-2026-69915

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in asset serving due to an incomplete extension blocklist that misses script-capable file types. Attackers can upload files with extensions like .xht, .ehtml, .xsl, .xbl, or .rdf that resolve to executable media types and...

CVE-2026-84803

SiYuan before v3.8.2 is affected by a stored cross-site scripting (XSS) vulnerability in its asset-serving component. The root cause is an incomplete extension blocklist that fails to cover script-capable file types such as .xht, .ehtml, .xsl, .xbl, and .rdf, which resolve to executable media typ...

PT-2026-84676

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in asset serving due to an incomplete extension blocklist that misses script-capable file types. Attackers can upload files with extensions like .xht, .ehtml, .xsl, .xbl, or .rdf that resolve to executable media types and...

BIT-KEYCLOAK-2026-16089 Keycloak-services: keycloak-services: authorization codes can be retargeted to another client session

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

CVE-2026-82662 Nodemailer before 8.0.8 TLS Certificate Validation Bypass

Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth client secrets, refresh tokens, and access tokens transmitt...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller

CitrixBleedCVE-2026-8452-2025-5777 CitrixBleed Exploit To...

Linux Distros Unpatched Vulnerability : CVE-2026-82255

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - gitoxide versions from 0.25.4 contain an HTTP credential leak vulnerability in the curl-based transport backend where credentials are sent to attacker-controlle...