PT-2026-105053

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, is authorized/2 for the /federation-links/.../restart route uses is authorized monitor accepts the monitoring tag, while allowed methods permits DELETE and delete resource/2 triggers rabbit...

PT-2026-97576

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 3.13.15 RabbitMQ versions prior to 4.0.20 RabbitMQ versions prior to 4.1.11 RabbitMQ versions prior to 4.2.6 RabbitMQ versions prior to 4.3.1 Description An authorization flaw exists in the...

CVE-2026-66075: Missing Authorization

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-95503 Keycloak-services: keycloak-services: potential kdc spoofing bypass when kerberos password authentication is enabled

A flaw was found in the Kerberos federation provider of Keycloak, an open-source identity and access management solution. When Kerberos password authentication is used without SPNEGO, the system fails to verify the identity of the Key Distribution Center KDC by requesting a server ticket. This...

CVE-2026-95503 Keycloak-services: keycloak-services: potential kdc spoofing bypass when kerberos password authentication is enabled

A flaw was found in the Kerberos federation provider of Keycloak, an open-source identity and access management solution. When Kerberos password authentication is used without SPNEGO, the system fails to verify the identity of the Key Distribution Center KDC by requesting a server ticket. This...

CVE-2026-95503

Keycloak's Kerberos federation provider contains a KDC spoofing bypass that occurs when Kerberos password authentication is enabled without SPNEGO. In this configuration, Keycloak fails to verify the identity of the Key Distribution Center (KDC) by requesting a server ticket, allowing an attacker...

PT-2026-96681

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the Kerberos federation provider of Keycloak. When Kerberos password authentication is utilized without SPNEGO Simple Protocol for Negotiating Access to a Server, the system...

CVE-2026-95503: Improper Verification of Cryptographic Signature

A flaw was found in the Kerberos federation provider of Keycloak, an open-source identity and access management solution. When Kerberos password authentication is used without SPNEGO, the system fails to verify the identity of the Key Distribution Center KDC by requesting a server ticket. This...

OpenAM v16.1.3

Open Access Management OpenAM is an access management solution that includes Authentication, SSO, Authorization, Federation, Entitlements, and Web Services Security. Cross Domain Single Sign On CDSSO, SAML 2.0, OAuth 2.0 & OpenID Connect ensure that OpenAM integrates easily with legacy, custom, a...

rabbitmq-server: RabbitMQ: Unauthorized cross-vhost message access via missing Federation upstream authorization

A flaw was found in RabbitMQ. The Federation feature fails to enforce virtual host vhost authorization checks when validating upstream connections. An authenticated user with policy configuration privileges in one vhost can exploit this flaw by targeting another vhost where they lack permissions...

CVE-2026-44793

Open Access Management OpenAM is an access management solution. Prior to 16.1.1, certain federation endpoints in a non-default clustered configuration inconsistently encode user-supplied parameters rendered into HTML in the SAML2 cluster cookie-hash redirect path. An unauthenticated attacker can...

CVE-2026-44793: Improper Neutralization of Input During Web Page Generation

Open Access Management OpenAM is an access management solution. Prior to 16.1.1, certain federation endpoints in a non-default clustered configuration inconsistently encode user-supplied parameters rendered into HTML in the SAML2 cluster cookie-hash redirect path. An unauthenticated attacker can...

Astra Linux – Vulnerability in rabbitMQ-server

RabbitMQ is a multi-protocol messaging broker. In rabbitmq-server prior to version 3.8.18, when a federation link was displayed in the RabbitMQ management UI through the rabbitmqfederationmanagement plugin, its consumer tag was rendered without proper tag sanitization. This potentially allows for...

CVE-2026-90679

A flaw was found in Forgejo when federation is enabled. This issue allows a remote attacker to spoof identities by submitting signature-valid ActivityPub activities attributed to any actor identity. The system fails to verify that the HTTP Signature on an incoming ActivityPub activity was produce...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

EUVD-2026-76944

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4 with [federation] ENABLED = true contains a signature-spoofing flaw in its ActivityPub inbox processing. The HTTP Signature verification in routers/api/v1/activitypub/reqsignature.go validates the request, but inbox handlers then read the acting identity from the att...

PT-2026-90787

Name of the Vulnerable Software and Affected Versions Forgejo versions 13.0.0 through 16.0.4 Description An identity spoofing issue exists when federation ENABLED = true is configured. The system fails to verify that the HTTP Signature of an incoming ActivityPub activity was generated by the key...

EUVD-2026-76026

A vulnerability allows users authenticating through a federated OIDC provider to obtain the uaa.admin scope despite operators restricting that provider through externalGroupsWhitelist configuration. The issue occurs specifically when an OIDC identity provider uses groupMappingMode: ASSCOPES with ...