GHSA-WMXR-6J5F-838P Duplicate Advisory: Keycloak: Unauthorized access via improper validation of encrypted SAML assertions

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references. Original Description A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly...

CVE-2026-2092

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2603

CVE-2026-2603 affects Keycloak: an attacker can bypass security by sending a valid SAML response from an external IdP to the Keycloak SAML endpoint for IdP-initiated broker logins, enabling unauthorized authentication. The issue is described across multiple sources (NVD/EUVD/GHSA) with a CVSS v3....

CVE-2026-2092 Keycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2092

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

PT-2026-26193

Summary A Timing Side-Channel vulnerability exists in the requireBasicAuth function due to the use of unsafe string comparison !==. This allows an attacker to deduce the valid password character-by-character by measuring the server's response time, effectively bypassing password complexity...

EUVD-2026-12640

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver...

CVE-2026-4359

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver...

UBUNTU-CVE-2026-4359

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver...

CVE-2026-4359 Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver...

Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver...

CVE-2026-4359

MongoDB C driver is affected by CVE-2026-4359: a compromised cloud server or MITM can send a malformed HTTP response that causes a crash in applications using the driver. Affected component: the MongoDB C driver’s HTTP response handling. Root cause: malformed HTTP response handling leading to a c...

CVE-2026-4359 Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the DefaultHtmlErrorResponseBodyProvider class. An attacker can exhaust heap memory and cause a crash by sending requests that trigger exceptions with attacker-controlled messages...

Micronaut Framework vulnerable to a Denial of Service in HTML error response caching

DefaultHtmlErrorResponseBodyProvider in io.micronaut:micronaut-http-server since 4.7.0 and until 4.10.7 used an unbounded ConcurrentHashMap cache with no eviction policy. If the application throws an exception whose message may be influenced by an attacker, for example, including request query...

GHSA-2HCP-GJRF-7FHC Micronaut Framework vulnerable to a Denial of Service in HTML error response caching

DefaultHtmlErrorResponseBodyProvider in io.micronaut:micronaut-http-server since 4.7.0 and until 4.10.7 used an unbounded ConcurrentHashMap cache with no eviction policy. If the application throws an exception whose message may be influenced by an attacker, for example, including request query...

Nest Fastify HEAD Request Middleware Bypass

Impact In a NestJS application using @nestjs/platform-fastify, GET middleware can be bypassed because Fastify automatically redirects HEAD requests to the corresponding GET handlers if they exist. As a result: - Middleware will be completely skipped. - The HTTP response won't include a body since...

GHSA-WF42-42FG-FG84 Nest Fastify HEAD Request Middleware Bypass

Impact In a NestJS application using @nestjs/platform-fastify, GET middleware can be bypassed because Fastify automatically redirects HEAD requests to the corresponding GET handlers if they exist. As a result: - Middleware will be completely skipped. - The HTTP response won't include a body since...

io.vertx/vertx-core: static handler component cache can be manipulated to deny the access to static files

A flaw was found in Vert.x. The Web static handler component cache can be manipulated to deny the access to static files served by the handler using specifically crafted request URIs, preventing legitimate users from accessing static files with an HTTP 404 response...

EUVD-2026-12561

A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed CRLF sequence due to improper input sanitization in the soupmessageheaderssetcontenttype function. This vulnerability allows for the injection of arbitrary...