Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

GHSA-RQ84-P6RR-VF89 Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

CVE-2026-70482

Open WebUI (self-hosted AI platform) versions 0.8.0–0.11.0 are affected. When ENABLE_OAUTH_TOKEN_EXCHANGE is true, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it via the provider’s userinfo endpoint without confirming which OAuth client issued the token. As ...

CVE-2026-70482 Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.0, when ENABLEOAUTHTOKENEXCHANGE=True, /oauth/provider/token/exchange accepts a raw provider access token and validates it by calling the provider userinfo endpoint without confirming which...

CVE-2026-66884

Cross-Site Request Forgery vulnerability in Erlang Ecosystem Foundation oidccplug Oidcc.Plug.AuthorizationCallback module allows an attacker to make a victim's browser complete an authorization flow the victim never initiated. This vulnerability is associated with program file...

CVE-2026-66884 Oidcc.Plug.AuthorizationCallback accepts callbacks with no authorize session or no state parameter, defeating CSRF protection

Cross-Site Request Forgery vulnerability in Erlang Ecosystem Foundation oidccplug Oidcc.Plug.AuthorizationCallback module allows an attacker to make a victim's browser complete an authorization flow the victim never initiated. This vulnerability is associated with program file...

CVE-2026-66884

The CVE-2026-66884 affects oidcc_plug (Oidcc.Plug.AuthorizationCallback.call/2) in Erlang Ecosystem Foundation. A callback with no Oidcc.Plug.Authorize session is processed with security checks disabled, causing nonce, state, PKCE, IP and user-agent checks to be skipped and permitting state-less ...

CVE-2026-14838

CVE-2026-14838 affects HUMANIST Digital Human Resources from Bilin Software and Informatics Consultancy Inc. (versions 26.0 up to, but not including, 26.1). The vulnerability arises from using GET requests with sensitive query strings, enabling session exposure and potential account takeover. The...

CVE-2026-14838 Session Token Exposure in URL Leading to Account Takeover in Bilin Software's HUMANIST Digital Human Resources

Use of GET request method with sensitive query strings vulnerability in Bilin Software and Informatics Consultancy Inc. HUMANIST Digital Human Resources allows Session Hijacking. This issue affects HUMANIST Digital Human Resources: from 26.0 before 26.1...

CVE-2026-14848

The Paid Membership Subscriptions WordPress plugin before 3.0.8 does not verify that the subscription being modified through its change-subscription checkout belongs to the current user, allowing any authenticated user with Subscriber-level access and above to take over another member's...

CISA Adds Exploited N-able N-central Flaw to KEV After Customer Compromises

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday added a high-severity security flaw impacting N-able N-central to its Known Exploited Vulnerabilities KEV catalog following reports of active exploitation in the wild. The vulnerability, tracked as CVE-2026-18577 CVSS score:...

WhatsApp account takeover scam asks you to “vote for my friend”

A scam is spreading through WhatsApp with the goal of taking over victims' accounts entirely. It starts with a message that feels harmless and familiar. Someone—often a contact whose account has already been compromised—asks you to support a friend or relative of theirs by voting in an online...

CVE-2026-14848 Paid Member Subscriptions < 3.0.8 - Subscriber+ Cross-User Subscription Hijack via process_checkout

The Paid Membership Subscriptions WordPress plugin before 3.0.8 does not verify that the subscription being modified through its change-subscription checkout belongs to the current user, allowing any authenticated user with Subscriber-level access and above to take over another member's...

EUVD-2026-52586

The Paid Membership Subscriptions WordPress plugin before 3.0.8 does not verify that the subscription being modified through its change-subscription checkout belongs to the current user, allowing any authenticated user with Subscriber-level access and above to take over another member's...

Oracle WebCenter Sites (July 2026 CPU)

The 12.2.1.4.0 and 14.1.2.0.0 versions of WebCenter Sites installed on the remote host are affected by multiple vulnerabilities as referenced in the July 2026 CPU advisory. - Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware. Easily exploitable vulnerability allows...

CVE-2026-16300

The ChamaWP WordPress plugin before 1.0.13 does not properly validate a password reset request, allowing unauthenticated attackers to reset the password of arbitrary users, including administrators, which could lead to a full site takeover...

CVE-2026-15383

The Blog Floating Button WordPress plugin through 1.4.20 does not sanitize or escape the visitor User-Agent header, which it stores through an unauthenticated tracking REST endpoint and later renders unescaped in an administrator report page. This allows an unauthenticated attacker to store a...

CVE-2026-15930

The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration before using the returned value as a user ID to update an account, allowing unauthenticated attackers to overwrite the primary administrator's account data including the email...

CVE-2026-14557

The SoftMarket — Digital Marketplace WordPress plugin through 1.0.0 does not properly validate an authentication token in one branch of its email-verification flow, allowing unauthenticated attackers to obtain a valid session as any verified user by supplying only that user's ID...

EUVD-2026-52181

The ChamaWP WordPress plugin before 1.0.13 does not properly validate a password reset request, allowing unauthenticated attackers to reset the password of arbitrary users, including administrators, which could lead to a full site takeover...