OpenBao's Templated Policies Allow Privilege Escalation via Wildcard Characters

Impact ACL Policies OpenBao supports "templated polices": Policies with placeholders that are replaced at evaluation time. This allows you to write a single policy which e.g. grants user "alice" access to all entries in a key value engine prefixed with alice/ while granting "bob" access to bob/,...

CVE-2026-71543

OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, templated ACL, PKI, and SSH policies could substitute attacker-controlled identity data without rejecting syntax-significant characters. In ACL templated policies, asterisks, plus signs, and slashes could alter pa...

CVE-2026-71543 OpenBao's Templated Policies Allow Privilege Escalation via Wildcard Characters

OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, templated ACL, PKI, and SSH policies could substitute attacker-controlled identity data without rejecting syntax-significant characters. In ACL templated policies, asterisks, plus signs, and slashes could alter pa...

CVE-2026-71543 OpenBao's Templated Policies Allow Privilege Escalation via Wildcard Characters

OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, templated ACL, PKI, and SSH policies could substitute attacker-controlled identity data without rejecting syntax-significant characters. In ACL templated policies, asterisks, plus signs, and slashes could alter pa...

Vault Entity Alias Metadata May Leak Between Aliases With The Same Name Assigned To The Same Entity

Summary When entity aliases mapped to a single entity share the same alias name, but have different mount accessors, Vault can leak metadata between the aliases. This metadata leak may result in unexpected access if templated policies are using alias metadata for path names. This vulnerability,...

CVE-2021-43998

HashiCorp Vault and Vault Enterprise 0.11.0 up to 1.7.5 and 1.8.4 templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. Fixed in Vault and Vault...

PT-2021-24000 · Hashicorp · Hashicorp Vault +1

Name of the Vulnerable Software and Affected Versions: HashiCorp Vault and Vault Enterprise versions 0.11.0 through 1.7.5 HashiCorp Vault and Vault Enterprise version 1.8.4 Description: The issue arises when templated ACL policies in HashiCorp Vault and Vault Enterprise match the first-created...

Vault's Templated ACL Policies Matched First-Created Alias Per Entity and Auth Backend

Summary Vault and Vault Enterprise “Vault” templated ACL policies would always match the first-created entity alias if multiple entity aliases existed for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. This vulnerability, CVE-2021-43998, was fixed...