CVE-2026-72643

Kibana Agent Builder determines whether a caller owns a private agent by comparing a stable user identifier when one is recorded, and falling back to a comparison of the username when it is not. A username is not unique across Elasticsearch authentication realms, so two distinct principals that...

EUVD-2026-58288

Kibana Agent Builder determines whether a caller owns a private agent by comparing a stable user identifier when one is recorded, and falling back to a comparison of the username when it is not. A username is not unique across Elasticsearch authentication realms, so two distinct principals that...

CVE-2026-72643 Incorrect Authorization in Kibana Agent Builder Leading to Disclosure and Tampering of Private Agents

Kibana Agent Builder determines whether a caller owns a private agent by comparing a stable user identifier when one is recorded, and falling back to a comparison of the username when it is not. A username is not unique across Elasticsearch authentication realms, so two distinct principals that...

CVE-2026-72643

Kibana Agent Builder determines whether a caller owns a private agent by comparing a stable user identifier when one is recorded, and falling back to a comparison of the username when it is not. A username is not unique across Elasticsearch authentication realms, so two distinct principals that...

CVE-2026-72643

CVE-2026-72643 describes an Incorrect Authorization in Kibana Agent Builder where a caller’s ownership check uses a stable user identifier or falls back to username, which is not unique across Elasticsearch realms. This allows disclosing the configuration/instructions of an agent the caller does ...

CVE-2026-72537 Authentik Security authentik - Privilege Escalation

A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to take over any user account including superusers by provisioning a SCIM user that matches an existing local user by username. The SCIM user inges...

CVE-2026-67351

Serendipity before 2.6.1 contains an authentication context confusion vulnerability where password validation and session loading operate independently without ensuring both use the same user record. An authenticated Editor can create a username collision with an Administrator account and obtain...

CVE-2026-67351

Serendipity before 2.6.1 contains an authentication context confusion vulnerability where password validation and session loading operate independently without ensuring both use the same user record. An authenticated Editor can create a username collision with an Administrator account and obtain...

CVE-2026-67351

Vulnerability overview (CVE-2026-67351): Serendipity versions before 2.6.1 contain an authentication context confusion where password validation and session loading run independently, risking mismatch of user records. An authenticated Editor can create a username collision with an Administrator a...

CVE-2026-67351 Serendipity < 2.6.1 Authentication Bypass via Username Collision

Serendipity before 2.6.1 contains an authentication context confusion vulnerability where password validation and session loading operate independently without ensuring both use the same user record. An authenticated Editor can create a username collision with an Administrator account and obtain...

CVE-2026-67351 Serendipity < 2.6.1 Authentication Bypass via Username Collision

Serendipity before 2.6.1 contains an authentication context confusion vulnerability where password validation and session loading operate independently without ensuring both use the same user record. An authenticated Editor can create a username collision with an Administrator account and obtain...

PT-2026-66476

Name of the Vulnerable Software and Affected Versions Serendipity versions prior to 2.6.1 Description An authentication context confusion exists where password validation and session loading operate independently without ensuring both use the same user record. This allows an authenticated Editor ...

CVE-2026-62685 File Browser: Colliding username normalization gives two users the same home directory

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, File Browser builds new user scopes from usernames passed through cleanUsername when Signup=true and CreateUserDir=true, but the many-to-one...

CVE-2024-1248

The silent Just-In-Time JIT provisioning feature in federated authentication implementations fails to properly segregate user roles during account creation when a federated user shares a username with a local user. This allows the provisioning process to overwrite existing roles of local users wi...

CVE-2024-1248

The silent Just-In-Time JIT provisioning feature in federated authentication implementations fails to properly segregate user roles during account creation when a federated user shares a username with a local user. This allows the provisioning process to overwrite existing roles of local users wi...

PT-2026-55730

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The silent Just-In-Time JIT provisioning feature in federated authentication implementations fails to properly segregate user roles during account creation. When...

CVE-2024-1524

When the "Silent Just-In-Time Provisioning" feature is enabled for a federated identity provider IDP there is a risk that a local user store user's information may be replaced during the account provisioning process in cases where federated users share the same username as local users. There will...

CVE-2024-1524 A local user can be impersonated when using federated authentication with Silent JIT Provisioning.

When the "Silent Just-In-Time Provisioning" feature is enabled for a federated identity provider IDP there is a risk that a local user store user's information may be replaced during the account provisioning process in cases where federated users share the same username as local users. There will...

CVE-2022-23721

PingID integration for Windows login prior to 2.9 does not handle duplicate usernames, which can lead to a username collision when two people with the same username are provisioned onto the same machine at different times...

CVE-2020-7245

Incorrect username validation in the registration process of CTFd v2.0.0 - v2.2.2 allows an attacker to take over an arbitrary account if the username is known and emails are enabled on the CTFd instance. To exploit the vulnerability, one must register with a username identical to the victim's...