CVE-2026-86863

Description

A flaw was found in pgAdmin 4. When the 'webserver' authentication source is enabled, a remote attacker can bypass authentication by supplying a client-controlled identity header. This allows the attacker to authenticate as any user, including an Administrator, without providing valid credentials. This could lead to full control over the pgAdmin installation.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Access Control

Technical Impact: Bypass Protection Mechanism; Gain Privileges or Assume Identity

This weakness can allow an attacker to access resources which are not otherwise accessible without proper authentication.

Frequently Asked Questions

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