CVE-2026-115361

Medium

Description

OpenBao before 2.6.3 contains an ACL bypass vulnerability that silently drops explicit deny rules based on forbidden identity metadata templates within wildcard grants. Attackers whose identity metadata contains wildcard or path segments can access paths that should be denied within the broader wildcard-granted scope.

SeverityMedium

CVSS4.1

Exploit probability—

ProductOpenbao

PublishedOct 22, 2026

First seenOct 22, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

openbao openbao2.6.3 or later

Vendor advisories

github.com/openbao/openbao/security/advisories/GHSA-hr5j-3j78-4vh2

Affected products

Product	Affected versions	Fixed in
openbao openbao	v < 2.6.3	2.6.3

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