CVE-2026-88006 Open WebUI: Users denied by the OAuth role policy can still sign in via token exchange

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.1, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose...

CVE-2026-88006 Open WebUI: Users denied by the OAuth role policy can still sign in via token exchange

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.1, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose...

CVE-2026-88006 Open WebUI: Users denied by the OAuth role policy can still sign in via token exchange

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.1, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose...

CVE-2026-88006

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.1, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose...

EUVD-2026-75541

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.1, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose...

CVE-2026-88006

Open WebUI (a self-hosted AI platform) is affected by an authentication bypass in its OAuth token exchange endpoint from version 0.8.0 through 0.11.1 . The endpoint issues a session for a provider access token without executing the OAuth role management that the normal login callback performs. As...

EUVD-2026-75540

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.9.0, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without applying the email domain allowlist that the normal OAuth login callback enforces. An accou...

CVE-2026-88005

Open WebUI versions 0.8.0 through 0.9.0 are affected by a bypass in the OAuth token exchange endpoint . The endpoint issues a valid session for a provider access token without enforcing the email domain allowlist that the standard OAuth login callback applies. As a result, an account whose email ...

CVE-2026-88861

Capgo Cap-go/capgo.app contains an authentication bypass affecting all versions no patched version available at time of publication. The Edge authorization path allows a password-only Supabase aal1 session to exercise privileged RBAC permissions even when the account has a verified MFA factor tha...

CVE-2026-88869 AVideo AD_Server Stored XSS via log.php label parameter

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the ADServer plugin's log.php endpoint that fails to escape the label parameter before storage. An unauthenticated attacker can inject malicious HTML through the label parameter,...

EUVD-2026-75419

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the ADServer plugin's log.php endpoint that fails to escape the label parameter before storage. An unauthenticated attacker can inject malicious HTML through the label parameter,...

CVE-2026-88866

WWBN AVideo (through commit c3edcc274c389816d434acadac07ee78eaf330c1 ) contains a stored cross-site scripting vulnerability in the LoginControl plugin . The plugin fails to encode the User-Agent header before storing it in the login history. An attacker with any valid login account can inject mal...

CVE-2026-88866 WWBN AVideo LoginControl Stored XSS via User-Agent Header

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to encode the User-Agent header before storing it in login history. Attackers with any valid login account can inject malicious scripts in...

CVE-2026-88861

Capgo (Cap-go/capgo.app), a continuous deployment platform, has an authentication bypass in all versions with no patched release available. The root cause is in the Edge authorization path: the JWT middleware (findJWT() in hono_middleware.ts) accepts tokens without validating their assurance leve...

CVE-2026-88861 Capgo AAL1 Session MFA Bypass via Direct RBAC Authorization

Capgo Cap-go/capgo.app contains an authentication bypass affecting all versions no patched version available at time of publication. The Edge authorization path allows a password-only Supabase aal1 session to exercise privileged RBAC permissions even when the account has a verified MFA factor tha...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

PYSEC-2026-3874 Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE

Summary An authenticated user with edit access to their own session can overwrite a shared/template agent by uploading a full agent bundle through PUT /sessions/sessionid/agent. Shared/template agents are shown as not MCP-editable, but this upload path still accepts a replacement bundle. By addin...

PYSEC-2026-3882 piccolo-admin has a privilege escalation issue - admin to superuser via session-token disclosure in GET /api/tables/sessions/.

Summary piccoloadmin uses a helper called superuservalidators to gate access to the user and session tables for non-superusers. The helper rejects PUT, PATCH, DELETE, and POST, but does not reject GET. The sessions table stores live session tokens in plaintext, and the token column is not marked...

piccolo-admin has a privilege escalation issue - admin to superuser via session-token disclosure in GET /api/tables/sessions/.

Summarypiccoloadmin uses a helper called superuservalidators to gate access to the user and session tables for non-superusers. The helper rejects PUT, PATCH, DELETE, and POST, but does not reject GET.The sessions table stores live session tokens in plaintext, and the token column is not marked...

PYSEC-2026-3805 aiosmtplib: STARTTLS response injection

Impact When a connection is upgraded with STARTTLS, aiosmtplib reads the server's 220 go-ahead reply and immediately performs the TLS handshake without discarding any data still sitting in the receive buffer. Bytes the protocol read off the plaintext socket before the handshake survive across the...