CVE-2026-55770

Description

A flaw was found in OpenBao. When the LDAP authentication backend is configured, an attacker can manipulate a username with special characters to alter the LDAP search query. This allows the attacker to select a different directory entry, potentially gaining unauthorized access to secrets, policies, or modification capabilities associated with another LDAP identity. This vulnerability stems from using an incorrect escaping function for LDAP search filters.

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)

Confidentiality,Integrity,Availability

Technical Impact: Execute Unauthorized Code or Commands; Read Application Data; Modify Application Data

An attacker could include input that changes the LDAP query which allows unintended commands or code to be executed, allows sensitive data to be read or modified or causes other unintended behavior.

Frequently Asked Questions

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