CVE-2026-73286

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, RustFS getconditionvalues folds attacker-controlled request headers from HeaderMap into server-derived userid, username, principaltype, groups, versionid, signatureversion, jwt:, and ldap: condition keys, allowin...

EUVD-2026-57230

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, RustFS getconditionvalues folds attacker-controlled request headers from HeaderMap into server-derived userid, username, principaltype, groups, versionid, signatureversion, jwt:, and ldap: condition keys, allowin...

CVE-2026-63516 Microsoft SharePoint Server Spoofing Vulnerability

...

CVE-2026-71326

A flaw was found in Traefik. The BasicAuth middleware in Traefik reuses a key for concurrent password checks, which is generated by concatenating the password and secret without a delimiter. An attacker with a valid credential and the corresponding stored hash can exploit this vulnerability to...

CVE-2026-18972

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...

CVE-2026-18972

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...

CVE-2026-18972

CVE-2026-18972 describes an authenticated identity-spoofing flaw where an attacker can spoof another GUI user by sending a request with the Grpc-Metadata-USER header. This can enable account takeover from a low-privilege user to an administrator. The CVSS 3.1 vector in the document indicates high...

EUVD-2026-56127

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...

CVE-2026-18972 Velociraptor authenticated identity-spoofing vulnerability

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...

CVE-2026-10579

A flaw was found in Picketlink Federation SAML; the unsolcited response handler would accept forged assertions with no verification or validation, permitting an unauthed attacker to authenticate as any principal in any role. This could lead to information disclosure, access to restricted...

Security Bulletin: IBM Transformation Extender Advanced is affected by IBM WebSphere Application Server Liberty vulnerabilities

Summary IBM WebSphere Application Server Liberty is used by IBM Transformation Extender Advanced, also known as IBM Standards Processing Engine. Liberty has been updated to address CVE-2026-3621 which causes identity spoofing and CVE-2026-5516 which causes bypass security vulnerabilities...

CVE-2026-51584

CVE-2026-51584 affects usememos v0.27.1. The vulnerability resides in the SignIn handler (server/router/api/v1/auth_service.go), specifically the ssoCredentials branch, where SSO identity is matched only on an attacker-controllable identifier and is not bound to the IdP’s stable subject claim. Th...

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...

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 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

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-2026-21078

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...

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...

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...