CVE-2026-71576 Multicluster-global-hub: multicluster-global-hub: manager trusts self-asserted evt.source() for leaf-hub identity in all status handlers

A flaw was found in multicluster-global-hub. The manager component improperly validates the source identity of incoming CloudEvents on Kafka status topics. A remote attacker, after compromising a managed hub and obtaining its Kafka client certificate, can manipulate the self-asserted source...

CVE-2026-71576

CVE-2026-71576 affects multicluster-global-hub: the manager component improperly validates the source identity of CloudEvents on Kafka status topics. A remote attacker who compromises a managed hub and obtains its Kafka client certificate can manipulate the self-asserted source identity, enabling...

CVE-2026-71576

A flaw was found in multicluster-global-hub. The manager component improperly validates the source identity of incoming CloudEvents on Kafka status topics. A remote attacker, after compromising a managed hub and obtaining its Kafka client certificate, can manipulate the self-asserted source...

EUVD-2026-55103

Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity...

CVE-2026-21078

Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity...

PT-2026-69406

Name of the Vulnerable Software and Affected Versions Smart Switch versions prior to 3.7.72.6 Description Insufficient verification of data authenticity in the trouble scanning mode allows adjacent attackers to spoof device identity. Recommendations Update to version 3.7.72.6 or later...

PT-2026-69872

Name of the Vulnerable Software and Affected Versions multicluster-global-hub affected versions not specified Description The manager component fails to properly validate the source identity of incoming CloudEvents on Kafka status topics. A remote attacker who has compromised a managed hub and...

Traefik: Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth

Summary There is a high severity vulnerability in Traefik's BasicAuth, DigestAuth, and ForwardAuth middlewares. The fix for CVE-2026-33433 stripped canonical-cased spoofed identity headers e.g. X-Auth-User before writing Traefik's own value, but did not account for underscore-variant header names...

Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

Summary There is a low severity vulnerability in Traefik's BasicAuth middleware. Concurrent password verifications are deduplicated through a singleflight group whose key was the delimiter-free concatenation of the submitted password and the stored secret, so a request carrying an unconfigured...

EUVD-2026-54297

Traefik is an open source HTTP reverse proxy and load balancer. From 3.6.11 until 3.6.25 and 3.7.10, Traefik's BasicAuth middleware in pkg/middlewares/auth/basicauth.go deduplicates concurrent password checks with a singleflight key built from the delimiter-free concatenation of password and...

CVE-2026-71326 Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

Traefik is an open source HTTP reverse proxy and load balancer. From 3.6.11 until 3.6.25 and 3.7.10, Traefik's BasicAuth middleware in pkg/middlewares/auth/basicauth.go deduplicates concurrent password checks with a singleflight key built from the delimiter-free concatenation of password and...

CVE-2026-71326 Traefik: BasicAuth singleflight key collision allows authenticated identity spoofing

Traefik is an open source HTTP reverse proxy and load balancer. From 3.6.11 until 3.6.25 and 3.7.10, Traefik's BasicAuth middleware in pkg/middlewares/auth/basicauth.go deduplicates concurrent password checks with a singleflight key built from the delimiter-free concatenation of password and...

CVE-2026-71326

CVE-2026-71326 affects Traefik’s BasicAuth middleware (pkg/middlewares/auth/basic_auth.go) in 3.6.11–3.6.25 and 3.7.10. The vulnerability arises from deduplicating concurrent password checks using a singleflight key built from the delimiter-free concatenation of password and secret, enabling an a...

Azure Entra ID Spoofing Vulnerability

Insufficient verification of data authenticity in Azure Entra ID allows an authorized attacker to perform spoofing over a network...

Open WebUI: Terminal proxy forwards a spoofable, integrity-unbound user identity to the upstream (X-User-Id header and ws_terminal session_id query injection)

SummaryThe terminal proxy in backend/openwebui/routers/terminals.py forwards the Open WebUI user's identity to the upstream terminal server / backend coordinator as an authorization claim, with no cryptographic binding to the session that produced it. The forwarded identity is...

PYSEC-2026-3600 Open WebUI: Terminal proxy forwards a spoofable, integrity-unbound user identity to the upstream (X-User-Id header and ws_terminal session_id query injection)

Summary The terminal proxy in backend/openwebui/routers/terminals.py forwards the Open WebUI user's identity to the upstream terminal server / backend coordinator as an authorization claim, with no cryptographic binding to the session that produced it. The forwarded identity is...

PT-2026-76166

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, the NATS message header Nats-Request-Info: is supposed to be a guarantee of identity by the NATS server, but the stripping of this header from inbound messages was...

PT-2026-67395

Name of the Vulnerable Software and Affected Versions Net::SAML2 versions prior to 0.86 Description An authentication bypass exists because the verify encrypted assertion function accepts an EncryptedAssertion whose decrypted content lacks a signature. The function decrypts the EncryptedAssertion...

Security Bulletin: IBM Storage Protect Client and Virtual Environments are affected by an identity spoofing vulnerability in IBM WebSphere Application Server Liberty (CVE-2026-3621)

Summary IBM Storage Protect Client and Virtual Environments use IBM WebSphere Application Server Liberty as part of its web application runtime. Under limited conditions, when an application is deployed without authentication and authorization configured, IBM WebSphere Application Server Liberty ...

Security Bulletin: IBM Storage Protect for Space Management is affected by an identity spoofing vulnerability in IBM WebSphere Application Server Liberty (CVE-2026-3621)

Summary IBM Storage Protect for Space Management uses IBM WebSphere Application Server Liberty as part of its web application runtime. Under limited conditions, when an application is deployed without authentication and authorization configured, IBM WebSphere Application Server Liberty is...