Weakness (CWE)
CWE-636: Not Failing Securely
When the product encounters an error condition or failure, its design requires it to fall back to a state that is less secure than other options that are available, such as selecting the weakest encryption algorithm or using the most permissive access control restrictions.
How to prevent it (1 mitigation)
-
Architecture and Design
Subdivide and allocate resources and components so that a failure in one part does not affect the entire product.
Source: MITRE CWE-636
13 results · Clear filters · Feed
-
Critical 9.1
node-opcua: Namespace-Level RBAC Fail-Open - Anonymous Write/Call Bypass via Unbound `DefaultRolePermissions
node-opcua is an OPC UA implementation for TypeScript and Node.js. From 2.42.0 until 2.180.0, namespace-level access control configured through setDefaultRolePermissions is not honored by the runtime enforcement path for nodes without explicit per-node RolePe…
-
Critical 9.1
An unauthenticated attacker with network access to the SonicWall GMS 9.5.2 and earlier versions may be able to read int…
-
Critical 9.1
Apache Kafka: Broker silently skips JWT signature verification for SASL/OAUTHBEARER when the JWKS endpoint URL is not configured
A Kafka broker using SASL/OAUTHBEARER with the default validator (sasl.oauthbearer.jwt.validator.class=DefaultJwtValidator) selects its implementation from configuration. When sasl.oauthbearer.jwks.endpoint.url is set, the validator verifies the JWT signature…
-
Critical 9.1
A vulnerability allowing an unauthenticated attacker to bypass authorization on the CDP Coordinator Service.
-
Critical 9.5
Authentication bypass via blank auth token in P4Search
P4 Search prior to 2026.4.2 does not fail securely when its service authentication token is blank. In affected configurations, an unauthenticated attacker with network access can obtain the highest application privilege, potentially leading to compromise of P…
-
Critical 9.3
Moquette fails open when configured authentication or authorization classes cannot load
Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, when a configured authenticator or authorizator class cannot be loaded, Server.initializeAuthenticator and Server.initializeAuthorizatorPolicy treat the failure as though no custom class was configu…
-
Critical 9.3
Bambuddy's authentication fails open on database errors, allowing unauthenticated access to all endpoints
Bambuddy is a self-hosted print archive and management system for Bambu Lab 3D printers. Starting in version 0.1.6 and prior to version 0.2.4.4, a fail-open in the authentication code allows any attacker to bypass authentication by flooding a public endpoint …
-
Critical 9.0
SSRF protection bypass in safeurl via IPv6 addresses and unresolvable hosts
Server-Side Request Forgery (SSRF) vulnerability in Slab safeurl allows an attacker who controls a validated URL to reach internal network destinations the library is configured to block. Only IPv4 addresses are matched against the reserved ranges and the blo…
-
Critical 9.1
NextAuth.js: Configuration errors can cause existence-based auth checks to fail open (auth object populated with an error)
NextAuth.js provides authentication for Next.js. From next-auth 5.0.0-beta.0 until 5.0.0-beta.32, applications that gate access by checking only for the existence of the auth object returned by the auth() wrapper can fail open when Auth.js has a server config…
-
Critical 9.8CVE-2026-53913 Public exploit
Apache Camel Keycloak: KeycloakSecurityPolicy verifies the bearer access token only inside its role and permission checks, so in the default configuration the token is never verified and any non-null bearer value is accepted
Improper Authentication, Missing Authentication for Critical Function, Not Failing Securely ('Failing Open') vulnerability in Apache Camel Keycloak Component. The KeycloakSecurityPolicy of camel-keycloak guards a route by running KeycloakSecurityProcessor.bef…
-
Critical 9.1
OpenViking < 0.3.9 Authentication Bypass via VikingBot OpenAPI
OpenViking prior to version 0.3.9 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with network acces…
-
Critical 9.2
Snuffleupagus vulnerable to RCE on instances with upload validation enabled but without the VLD package
Snuffleupagus is a module that raises the cost of attacks against website by killing bug classes and providing a virtual patching system. On deployments of Snuffleupagus prior to version 0.13.0 with the non-default upload validation feature enabled and config…
-
Critical 9.8
Frontend Admin by DynamiApps <= 3.19.4 - Improper Missing Encryption Exception Handling to Form Manipulation
The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to improper missing encryption exception handling on the 'fea_encrypt' function in all versions up to, and including, 3.19.4. This makes it possible for unauthenticated attackers to manipulat…