Decidim: JWT-backed authentication can be replayed across organizations

Description A JWT issued to an Org 1 account is accepted on the Org 2 API and can read the admin-only GraphQL participantDetails field for an Org 2 participant. The same trust-boundary problem also affects API-user authentication: an Org 1 API user can use a JWT on the Org 1 host and replay that...

Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

SummaryAn internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

Keylime has a hardcoded attestation challenge nonce that allows replay attacks

CVE-2026-6420: Hardcoded attestation challenge nonce allows replay attacks ImpactThe CertificationParameters.generatechallenge method in the push attestation protocol uses a hardcoded challenge nonce instead of generating a cryptographically random value. This removes the nonce-based replay...

FastMCP OAuth Proxy token reuse across MCP servers

While testing the OAuth Proxy implementation, it was noticed that the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for this MCP server, the token is issued for the baseurl passed to...

PYSEC-2026-2474 FastMCP OAuth Proxy token reuse across MCP servers

While testing the OAuth Proxy implementation, it was noticed that the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for this MCP server, the token is issued for the baseurl passed to...

PT-2026-60079

Summary Kimai 2.56.0 contains authenticated cross-site request forgery issues in its default team creation shortcuts for projects, customers, and activities. These endpoints are exposed through GET routes and directly create or reuse a Team, add the current user as teamlead, and bind the target...

PT-2026-59141

While testing the OAuth Proxy implementation, it was noticed that the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for this MCP server, the token is issued for the base url passed to...

PT-2026-57877

Name of the Vulnerable Software and Affected Versions EIPStackGroup OpENer version 2.3.0 commit 76b95cf Description Incorrect access control exists in the handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies if the session handle exists in the...

CVE-2026-51538

EIPStackGroup OpENer 2.3.0 commit 76b95cf suffers from an Incorrect Access Control vulnerability in its handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies whether the provided sessionhandle exists in the global session list, but it fails to...

BIT-POSTGRESQL-JDBC-DRIVER-2026-54291 Silent channel-binding authentication downgrade via unsupported certificate algorithms

pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to...

CVE-2026-56241

Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted superadmin users retain access to deletenoncompliantbundles and countnoncompliantbundles RPCs due to stale orgusers.userright column not being cleared during role binding deletion. Attackers can exploit this by...

EUVD-2026-43224

Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted superadmin users retain access to deletenoncompliantbundles and countnoncompliantbundles RPCs due to stale orgusers.userright column not being cleared during role binding deletion. Attackers can exploit this by...

CVE-2026-56241

Capgo (pre-12.128.2) contains a privilege-escalation vulnerability where demoted super_admin users retain access to RPCs delete_non_compliant_bundles and count_non_compliant_bundles due to a stale org_users.user_right value not being cleared when a role binding is deleted. This allows an attacker...

CVE-2026-56241 Capgo - RBAC Demotion Privilege Retention via Stale org_users.user_right

Capgo before 12.128.2 contains a privilege escalation vulnerability where demoted superadmin users retain access to deletenoncompliantbundles and countnoncompliantbundles RPCs due to stale orgusers.userright column not being cleared during role binding deletion. Attackers can exploit this by...

CVE-2026-57215 RabbitMQ: Direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent phantom

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ allows foreign bindings to amq.rabbitmq.reply-to destinations because volatile direct-reply-to queues can be accepted at bind and route time but are missing from Khepri-backed deletion checks,...

CVE-2026-57215 RabbitMQ: Direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent phantom

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ allows foreign bindings to amq.rabbitmq.reply-to destinations because volatile direct-reply-to queues can be accepted at bind and route time but are missing from Khepri-backed deletion checks,...

CVE-2026-57215 RabbitMQ: Direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent phantom

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ allows foreign bindings to amq.rabbitmq.reply-to destinations because volatile direct-reply-to queues can be accepted at bind and route time but are missing from Khepri-backed deletion checks,...

CVE-2026-55478

Snipe-IT is an IT asset/license management system. Prior to 8.6.2, POST /api/v1/kits/kitid/licenses checks whether the caller can edit kits but does not authorize access to the referenced license object, allowing a low-privilege user with predefined-kit permissions to bind a license they should n...

FTP Fetch, Linux x64 Command Shell, Bind TCP Inline (IPv6)

Fetch and execute an x64 payload from an FTP server. Listen for an IPv6 connection and spawn a command shell Module Options...

CVE-2026-55672 ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refre...