CVE-2026-84303

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, the xDS RBAC HTTP filter in internal/xds/httpfilter/rbac/rbac.go does not lowercase header matcher names in normalizeHeaderMatcher even though incoming metadata keys are lowercase. A DENY policy using a mixed-case name such as...

EUVD-2026-69419

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, the xDS RBAC HTTP filter in internal/xds/httpfilter/rbac/rbac.go does not lowercase header matcher names in normalizeHeaderMatcher even though incoming metadata keys are lowercase. A DENY policy using a mixed-case name such as...

CVE-2026-84303

CVE-2026-84303 affects gRPC-Go (the Go implementation of gRPC). The xDS RBAC HTTP filter (internal/xds/httpfilter/rbac/rbac.go) fails to lowercase header matcher names in normalizeHeaderMatcher, while incoming metadata keys are already lowercase. A DENY policy using a mixed-case name (e.g., X-Rol...

CVE-2026-84303 gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, the xDS RBAC HTTP filter in internal/xds/httpfilter/rbac/rbac.go does not lowercase header matcher names in normalizeHeaderMatcher even though incoming metadata keys are lowercase. A DENY policy using a mixed-case name such as...

CVE-2026-70376

CVE-2026-70376 — ثغرة CSRF على مستوى الموقع في Pluck CMS تؤدي إلى RCE فحص Referer مفتوح الفشل + غياب رموز CSRF + رفع بامتداد مزدوج زيارة واحدة من مسؤول لصفحة تحذف المحتوى، وتحقن الصفحات، وتُسقط قشرة ويب · · · · · ·...

CVE-2026-77950

ash_typescript (versions 0.8.0 through before 0.18.0) contains a fail-open flaw in its RPC error handling. The apply_error_handler/3 function in lib/ash_typescript/rpc/errors.ex is the sole hook for redacting or suppressing errors before they reach the client. Because error handlers are conventio...

BIT-TOMCAT-2026-68569 Apache Tomcat: Principal lookup can fail open in some cases

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, fr...

github.com/getkin/kin-openapi: kin-openapi: kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default

A flaw was found in kin-openapi. This vulnerability allows a remote attacker to bypass authentication checks. Specifically, the system incorrectly handles missing authentication configurations, substituting them with a function that does not verify user credentials. This enables unauthorized acce...

EUVD-2026-67962

IGEL OS 12 before 12.9.0, 12.8.3 LTS and IGEL OS 11 before 11.11.150 contain a secure boot bypass vulnerability in the GRUB boot stage that allows physically present attackers to gain unauthorized root access by placing an unsigned empty file named igel.conf on a partition. Attackers can exploit...

CVE-2026-82018

IGEL OS 12 before 12.9.0, 12.8.3 LTS and IGEL OS 11 before 11.11.150 contain a secure boot bypass vulnerability in the GRUB boot stage that allows physically present attackers to gain unauthorized root access by placing an unsigned empty file named igel.conf on a partition. Attackers can exploit...

CVE-2026-82018 IGEL OS 12 / 11 Secure Boot Bypass via Unsigned igel.conf File

IGEL OS 12 before 12.9.0, 12.8.3 LTS and IGEL OS 11 before 11.11.150 contain a secure boot bypass vulnerability in the GRUB boot stage that allows physically present attackers to gain unauthorized root access by placing an unsigned empty file named igel.conf on a partition. Attackers can exploit...

DEBIAN-CVE-2026-82247

gitoxide's gix-url crate ?@ so that gitoxide sends the caller's HTTP Basic Authorization credentials to an unintended host. gix-transport is affected in versions = 0.49.0 fixed in 0.58.1...

UBUNTU-CVE-2026-82247

gitoxide's gix-url crate ?@ so that gitoxide sends the caller's HTTP Basic Authorization credentials to an unintended host. gix-transport is affected in versions = 0.49.0 fixed in 0.58.1...

PT-2026-83366

Name of the Vulnerable Software and Affected Versions IGEL OS 12 versions prior to 12.9.0 IGEL OS 12 version 12.8.3 LTS IGEL OS 11 versions prior to 11.11.150 Description A secure boot bypass exists in the GRUB boot stage. A physically present attacker can gain unauthorized root access by placing...

CVE-2026-16895

A logic vulnerability fail-open condition has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check db.check and the environment variable MSFWSJSONRPCAPITOKEN is not explicitly set, the application resets the...

CVE-2026-16895

CVE-2026-16895 is a fail-open logic vulnerability in the Metasploit Framework 's JSON-RPC web service interface. When an exception occurs during the database health check (db.check) and the environment variable MSF_WS_JSON_RPC_API_TOKEN is not explicitly set, the internal flag msf.auth_initialize...

EUVD-2026-66836

A logic vulnerability fail-open condition has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check db.check and the environment variable MSFWSJSONRPCAPITOKEN is not explicitly set, the application resets the...

CVE-2026-16895 Authentication Bypass in Metasploit JSON-RPC Service When DB Health Check Fails

A logic vulnerability fail-open condition has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check db.check and the environment variable MSFWSJSONRPCAPITOKEN is not explicitly set, the application resets the...

CVE-2026-68569 Apache Tomcat: Principal lookup can fail open in some cases

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

CVE-2026-68569

Apache Tomcat contains an improper authentication flaw in the DataSourceRealm principal lookup. Under specific authentication methods—CLIENT-CERT and SPNEGO —a user could be authenticated even if they did not exist in the DataSourceRealm, effectively a fail-open condition. The issue affects 11.0....